Your firm has been hired to develop new software for the university's class registration system. Under the contract, you will receive 493,000 as an upfront payment. You expect the development costs to be 458,000 per year for the next 3 years. Once the new system is in place, you will receive a final payment of 921,000 from the university 4 years from now. a. What are the IRRs of this opportunity?(Hint: Build an Excel model which tests the NPV at 1% intervals from 1% to 40%. Then zero in on the rates at which the NPV changes signs.) b. If your cost of capital is 10% , is the opportunity attractive? Suppose you are able to renegotiate the terms of the contract so that your final payment in year 4 will be million 1.3 million. c. What is the IRR of the opportunity now? d. Is it attractive at the new terms?