The Only Variable Input a Janitorial Services Firm Uses to Clean

Essay

The only variable input a janitorial services firm uses to clean offices is workers who are paid a wage, w, of $8 an hour. Each worker can clean four offices in an hour. Use math to determine the variable cost, the average variable cost, and the marginal cost of cleaning one more office. Draw a diagram to show the variable cost, average variable cost, and marginal cost curves.