A firm has net sales of $43,000, operating expenses of $8,200, depreciation of $2,500, and cost of goods sold of $21,400. What is the gross margin? Multiple Choice 45.4% 47.7% 55.1% 50.2% 41.1%

A firm has net sales of 543,000 , operating expenses of $8,200, depreciation of $2,500, and cost of goods sold of 521.400 What is the gross margin? Multiple Choice 454% 4734 55.1% 502% 4118