Your firm generated a return on assets of 14% and had an equity multiplier of 1.3. If the equity multiplier remained fixed, which of the following factor (s) could increase return on equity?

a. increase in profit margin

b. increase in operating expenses

c. increase in total asset turnover

d. a and b only

e. a and c only

A) "d. a and b only"

B) "e. a and c only"

C) "b. increase in operating expenses"

D) "a. increase in profit margin"

E) "c. increase in total asset turnover"