15.

Account Current year Prior year Net sales $219,000 $180,000 Cost of Goods Sold $125,000 $110,000 Gross Profit $94,000 $70,000 Income from operations $32,000 $30,000 Interest expense $2,000 $7,000 Net income $25,000 $18,000 Also known: Total assets in the prior year were $325,500, and in the current year are $345,500. What is the prior year's return on sales? 10.0% 14.6% 21.7% 11.4%