Hi again.
Code has error at bottom also is missing Your application is responsible to use encryption method 1 for #1, and #3. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 2 for #2. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 3 for #4, and #5. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 4 for #6. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 5 for #7, #8, and #9. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 6 for #10. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 7 for #11. (You have to define the suitable encryption method.)The output of the encryptions will generate a number that will be known as the barcode of that specific item in this store.Before selecting and implementing your encryption methods, you have to answer the following questions:- Will all the generated barcodes have the same number of digits?- How should we deal with barcodes that have different numbers of digits?- Do you need to define decryption?- Is there any other questions, aspects, complications, simplifications, etc. that I need to think about in advance?Items will go on sale on different dates depending on their categories.Group A, B, C, and D follow the following rules:- Items will go on a 10% promotion when the date passes 50% of the durable life period - Yellow Tag- Items will go on a 25% promotion when the date passes 65% of the durable life period - Green Tag- Items will go on a 50% promotion when the date passes 75% of the durable life period - Red Tag- Items will go on a 95% promotion when the date passes 95% of the durable life period - Star Tag and Final Sale (Bring Me Home Today!)- Items with less than one day of their durable life period must be removed from the shelves and storage to be removed from the inventoryGroup E, F, G, and H follow the following rules:- Items will go on a 10% promotion when the date passes 60% of the durable life period - Yellow Tag- Items will go on a 25% promotion when the date passes 70% of the durable life period - Green Tag- Items will go on a 50% promotion when the date passes 80% of the durable life period - Red Tag- Items will go on a 95% promotion when the date passes 95% of the durable life period - Star Tag and Final Sale (Bring Me Home Today!)- Items with less than one day of their durable life period must be removed from the shelves and storage to be removed from the inventoryGroups I, J, and K follow the following rules:- Items will go on a 10% promotion when the date passes 40% of the durable life period - Yellow Tag- Items will go on a 25% promotion when the date passes 50% of the durable life period - Green Tag- Items will go on a 50% promotion when the date passes 60% of the durable life period - Red Tag- Items will go on a 95% promotion when the date passes 95% of the durable life period - Star Tag (Bring Me Home Today!)- Items with less than one day of their durable life period must be removed from the shelves and storage to be removed from the inventoryGroup L follows the following rules:- Items will go on a 10% promotion when the date passes 70% of the durable life period - Yellow Tag- Items will go on a 25% promotion when the date passes 80% of the durable life period - Green Tag- Items will go on a 50% promotion when the date passes 90% of the durable life period - Red Tag- Items will go on a 95% promotion when the date passes 95% of the durable life period - Star Tag and Final Sale (Bring Me Home Today!)- Items with less than one day of their durable life period must be removed from the shelves and storage to be removed from the inventoryThe output of your program will be a printed receipt that shows a list of 12 items (one item from each category), 8 items with the regular price, and 4 items on sale that a customer bought also the customer has 3 items to return from three different categories.
Error after
",
// print the barcode printf("Barcode: %s
", barcode); error ,barcode?

Question

Hi again.
Code has error at bottom also is missing Your application is responsible to use encryption method 1 for #1, and #3. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 2 for #2. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 3 for #4, and #5. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 4 for #6. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 5 for #7, #8, and #9. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 6 for #10. (You have to define the suitable encryption method.)Your application is responsible to use encryption method 7 for #11. (You have to define the suitable encryption method.)The output of the encryptions will generate a number that will be known as the barcode of that specific item in this store.Before selecting and implementing your encryption methods, you have to answer the following questions:- Will all the generated barcodes have the same number of digits?- How should we deal with barcodes that have different numbers of digits?- Do you need to define decryption?- Is there any other questions, aspects, complications, simplifications, etc. that I need to think about in advance?Items will go on sale on different dates depending on their categories.Group A, B, C, and D follow the following rules:- Items will go on a 10% promotion when the date passes 50% of the durable life period - Yellow Tag- Items will go on a 25% promotion when the date passes 65% of the durable life period - Green Tag- Items will go on a 50% promotion when the date passes 75% of the durable life period - Red Tag- Items will go on a 95% promotion when the date passes 95% of the durable life period - Star Tag and Final Sale (Bring Me Home Today!)- Items with less than one day of their durable life period must be removed from the shelves and storage to be removed from the inventoryGroup E, F, G, and H follow the following rules:- Items will go on a 10% promotion when the date passes 60% of the durable life period - Yellow Tag- Items will go on a 25% promotion when the date passes 70% of the durable life period - Green Tag- Items will go on a 50% promotion when the date passes 80% of the durable life period - Red Tag- Items will go on a 95% promotion when the date passes 95% of the durable life period - Star Tag and Final Sale (Bring Me Home Today!)- Items with less than one day of their durable life period must be removed from the shelves and storage to be removed from the inventoryGroups I, J, and K follow the following rules:- Items will go on a 10% promotion when the date passes 40% of the durable life period - Yellow Tag- Items will go on a 25% promotion when the date passes 50% of the durable life period - Green Tag- Items will go on a 50% promotion when the date passes 60% of the durable life period - Red Tag- Items will go on a 95% promotion when the date passes 95% of the durable life period - Star Tag (Bring Me Home Today!)- Items with less than one day of their durable life period must be removed from the shelves and storage to be removed from the inventoryGroup L follows the following rules:- Items will go on a 10% promotion when the date passes 70% of the durable life period - Yellow Tag- Items will go on a 25% promotion when the date passes 80% of the durable life period - Green Tag- Items will go on a 50% promotion when the date passes 90% of the durable life period - Red Tag- Items will go on a 95% promotion when the date passes 95% of the durable life period - Star Tag and Final Sale (Bring Me Home Today!)- Items with less than one day of their durable life period must be removed from the shelves and storage to be removed from the inventoryThe output of your program will be a printed receipt that shows a list of 12 items (one item from each category), 8 items with the regular price, and 4 items on sale that a customer bought also the customer has 3 items to return from three different categories. 
Error after 
",  
    // print the barcode    printf("Barcode: %s
", barcode); error ,barcode?

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