ACTG 2P12 Chapter Notes - Chapter 4: Fixed Cost, Variable Cost
Document Summary
The study of how specific costs respond to changes in the level of business activity. Identifies the activity that causes changes in the behavior of costs: direct labour hours, sales dollars, and units of output. Variable costs: costs that vary in total directly and proportionately with changes in the activity level. May also be defined as a cost that remains the same per unit at every entry level of activity: direct materials and direct labour for a manufacturer; costs of goods sold, sales commission. Rare to see a perfectly horizontal line (curved ~/") Fixed costs: costs that remain the same in total regardless of changes in the activity level. Fixed costs per unit vary inversely with activity (as volume increases, unit costs declines and vice versa: property taxes, insurance, rent, supervisory salaries, depreciation. Rare to see a perfectly horizontal line (broken _-) The range over which a company expects to operate during the year.