Question 3 2.86 pts PQR Corp. had $36,500,000 in revenues (sales), $12,600,000 in Costs of Goods Sold (COGS), $5,900,000 in SG&A expenses, $4,700,000 in depreciation expenses, $3,500,000 in interest expenses, and had the tax rate of 21%. The firm also had $56,200,000 in total assets and $14,200,000 in total liabilities during the same fiscal year. What was the firm's profit margin? 0.212 0.153 O 0.122 O 0.184 Question 4 2.86 pts STU Corp. had $46,000,000 in revenues (sales), $15,400,000 in Costs of Goods Sold (COGS), $5,900,000 in SG&A expenses, $4,300,000 in depreciation expenses, $3,500,000 in interest expenses, and $2,200,000 in tax expenses. The firm held $36,900,000 in total assets, of which $2,000,000 were in cash or equivalent, $4,500,000 were in accounts receivable, and $5,600,000 were in inventories. $23,400,000 of the $36,900,000 in total assets were in shareholder's equity. What was the firm's average tax rate? 11% 13% 18% 21%