5-1. The 2021 income statement for Tele Tech is shown here: $35,000,000 15.000.000 20,000,000 1,000,000 3,000,000 16,000,000 2,500,000 13,500,000 3,375,000 10,125,000 Net Sales Cost of Goods Sold Gross Profit Selling and Admin. Expenses I Depreciation Expense Operating Income (EBIT) Interest Expense Income before Taxes (EBT) Taxes (25%) Net Income Calculate the following: a. Gross profit margin b. Operating profit margin c. Net profit margin