Exhibit 13-5 Exhibit 13-5 Shows Data on the Various

question 127

Multiple Choice

Exhibit 13-5 Exhibit 13-5 shows data on the various dough-mixing machines that a donut shop is considering buying.Assume that any dough-mixing machine is expected to last indefinitely, that operating expenses are negligible, and that the price of donuts is expected to remain constant in the future.The marginal rate of return on the machine with the three-quart bowl is

• A)1 percent
• B)5 percent
• C)10 percent
• D)20 percent
• E)55 percent

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Definitions:

ATC

Average Total Cost, which is the total cost of production divided by the number of units produced, encompassing both fixed and variable costs.

TC/q

Total cost divided by quantity; a formula to calculate the average total cost.

Average Total Cost

The sum of all production expenses divided by the quantity of products made, indicating the per-unit cost.

Average Fixed Cost

The fixed costs of production (e.g., rent, salaries) divided by the quantity of output produced; these costs decline as production increases.