Consider a company with $60 million in revenues, operating margin of 75%, net margin of 45%, tax rate of 25%, depreciation and amortization expense of $13.5 million, capital expenditures of $15 million, acquisition expenses of $2 million, and an increase in net working capital of $2.5 million. How much free cash flow did this company generate? O a. $27.8 million O b. $29.6 million O c. $30.9 million O d. $32.3 million O e. $33.2 million