What are some uses for break-even analysis? Select all that apply,
a. To see how much the changes in volume affect cost and profit.
b. To figure out the most inefficient way to make profit.
c. To figure out the most efficient level of fixed costs for the firm.
d. To see how much the changes in cost affect variable costs.
e. To determine the magnitude of operations necessary to avoid loss.
f. To figure out the operating leverage.