Toya Motors needs a new machine for production of its 2000 models. The financial vice president has appointed you to do the capital budgeting analysis. You have identified two different machines (mutually exclusive projects) that are capable of performing the job. You have completed the cash flow analysis, and the expected net cash flows are as follows: Year 0 1 2 3 4 Machine S Cash -$1,025 $650 $450 $250 $50 Flow Machine L Cash $1,025 $100 $300 $500 $700 Flow The firm's required rate of return is un coin at this time, so you construct NPV profiles to assist in the final decision. At what discontrate do the profiles for Machines Sand L cross? Select one: a. 8.23% b. 10.55% c. I do not have enough information (I need to know WACC). d. Since cash flows have more than one sign change. I might have more than one crossover rate. e. 17.81%