In 2019, Purple Eggplant incurred cost of goods sold of $45,028 million on net sales of $76,643 million. Operating expenses incurred was $14,795. What was Purple Eggplants return on sales ratio for 2019? (Assume no other expenses.)

Group of answer choices

a. 24.1%

b. 21.9%

c. 13.8%

d. 10.6%