d. The degree of operating leverage for

25,667

units is:(Select the best answer below.)

A.

DOL equals 6.1

B.

DOL equals 0

C.

DOL equals 26.7

D.

DOL equals infinity

e. What principle do your graph and figures illustrate?(Select from the drop-down menu.)

DOL

increases

decreases

as the firm expands beyond the operating breakeven point.