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3. Consider two mutually exclusive investment alternatives given in the table below. 2 Click the icon to view the cash flows for the projects. (a) Determine the IRR on the incremental investment in the amount of $4,000. (Assume that MARR = 10%.) The rate of return on the incremental investment is %. (Round to two decimal places.) (b) If the firm's MARR is 10%, which alternative is the better choice? Choose the correct answer below. Project A2 Project A1 O 2: More Info Net Cash Flow Project A1 Project A2 - $16,000 - $20,000 $7,500 $5,000 $7,500 $15,000 $7,500 $8,000 19.19% 17.65% IRR