Below are amounts found in the income statements of three companies. Company Sales Revenue Cost of Goods Sold Operating Expenses Nonoperating Expenses Income Tax Expense Company A $28,000 $7,000 $4,800 $1,800 $1,800 Company B 31,000 24,800 7,800 3,800 0 Company C 36,000 25,920 2,800 0 2,800 Required: 1. For each company, calculate (a) gross profit, (b) operating income, (c) income before income taxes, and (d) net income. 2-a. For each company, calculate the gross profit ratio. 2-b. Which company has the