Shown below is a recent income statement for TEDU-IE company: TEDU-IE, INC Income Statement For the year ended December 31, 2021 Net Sales Cost of Goods Sold Operating Expenses Interest Expense Income Taxes a) What is the gross margin? b) What is the income before taxes (i.e. taxable income)? c) What is the net income? $5,000,000 $3,600,000 $700,000 $ 120,000 $ 160,000