Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) The more efficiently a company utilizes its assets, the greater its return on investment, all other things being equal.
B) If return on equity increases, the return on assets must have also increased.
C) If the number of days inventory is held increases, the return on assets will increase, all other things being equal.
D) If the gross margin decreases, the inventory turnover must have increased, all other things being equal.