Need MCQ-4 answer please

II. rise rise decline IV. decline a. I b. II e III d. IV e. The ratio could fall under all of the answers. 4. Which of the following could cause return on assets to decline when net profit margin is increasing? a. Sale of investments at year-end b. Increased turnover of operating assets c. Decline in book value d. A stock split e. Purchase of a new building at year-end