a. Prepare an NPV profile of the purchase using discount rates of 2.0%,11.5% and 17.0%. b. Identify the IRR (to the nearest 1% ) on a graph. c. Is the purchase attractive based on these estimates? d. How far off could OpenSeas' cost of capital be (to the nearest 1\%) before your purchase decision would change? Note: Subtract the discount rate from the actual IRR. Use Excel to compute the actual IRR