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ADM 3301 Lecture Notes - Lecture 17: W. M. Keck Observatory, Layoff, Linear Programming

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School
University of Ottawa
Department
Administration
Course
ADM 3301
Professor
Davood Astaraky

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Document Summary

Overtime wage rate = 1. 5 *14 = /hour. Hiring cost per hour (charged to the first quarter hired) = /(0. 2*480) hours= . Layoff cost per hour (charged to the first quarter after lay off) = /96 = . 5: if the 140 permanent nurses are employed throughout next year, calculate the regular permanent hours they will supply per quarter. Total hours per quarter supplied by 140 permanent nurses = 480 * 140 = 67,200. Total hours short = (71,953- 67,200)+(75,627-67,200)+( 79,290-67,200)= 25,270: suppose one temporary nurse is hired and laid off one quarter later. Cost per hour of using a temporary nurse in a quarter = +. 5+ = . 5 > = cost per hour of overtime by a permanent nurse. Yes, using overtime is cheaper than hiring temporary nurse: finally determine the best aggregate plan that minimizes the total cost. Based on the result in part c, use up to the maximum hours of overtime working in each quarter.

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Related Questions

Develop a production plan and calculate the annual cost for a firm whose demand forecast is fall, 10,300; winter, 7,600; spring, 6,600; summer, 12,300. Inventory at the beginning of fall is 515 units. At the beginning of fall, you have 35 workers. It is not possible to hire any additional workers until next Summer, at which time temporary workers will be hired at the beginning of Summer and laid off at the end of Summer. Therefore, no hiring or laying off is possible in the Fall, Winter or Spring. In addition, you have negotiated with the union an option to use the regular workforce on overtime during winter or spring only if overtime is necessary to prevent stockouts at the end of those quarters. Overtime is not available during the fall. Relevant costs are hiring, $100 for each temp; layoff, $200 for each worker laid off; inventory holding, $5 per unit-quarter; backorder, $10 per unit; straight time, $5 per hour; overtime, $8 per hour. Assume that the productivity is 0.5 unit per worker hour, with eight hours per day and 60 days per season.