Analysis and Interpretation of Ratios When RNOA Exceeds ROE Refer to the balance sheets and income statement below for Facebook Inc. FACEBOOK INC. Consolidated Statement of Income For Year Ended December 31, $ millions 2018 Revenue $55,838 Costs and expenses Cost of revenue 13,011 Research and development 10,273 Marketing and sales 7,846 General and administrative 3,451 Total costs and expenses 34,581 Income from operations 21,257 Interest and other income (expense), net 448 Income before provision for income taxes 21,705 Provision for income taxes 3,249 Net income $18,456 a. Compute net operating profit after tax (NOPAT) for 2018. Assume that the combined federal and state statutory tax rate is 22%. Hint: Carefully consider whether nonoperating expense is positive or negative. NOPAT