Could you answer these two in 20 minutes as well?

Acme Inc. included the following information in its annual report: 20x2 sales:178,400, cost of goods sold: 115,000, operating expenses: 50,000, net income: 13,400

20x1 sales: 162,500, cost of goods sold: 102,500, operating expenses: 50,000, net income: 10,000

20x0 sales: 155,500, cost of goods sold: 100,000, operating expenses: 45,000, net income: 10,500 In a vertical common size income statement for 20X2, operating expenses are expressed as

Select one:

A. 28.0%B. 30.3%C. 43.8%D. 100.0%

given the same information as above: by how much did cost of goods sold increase from 20x1 to 20x2?

a. 10.9%

b. 12.2%

c. 13.1%

d. 15.0%