You are asked to evaluate the following two projects for the Norton corporation. Use a discount rate of 10 percent. Use Appendix B for an approximate answer but calculate your final answer using the formula and financial calculator methods. Project X (Videotapes of the Weather Report). ($45,000 Investment) Year Project Y (Slow-Motion Replays of Commercials) ($78,000 Investment) Cash Flow 1 Cash Flow $29,000 Year 1 2 27,000 2 3 4 18,000 21,600 3 $ 39,000 32,000 33,000 35,000 a. Calculate the profitability index for project X. (Do not round intermediate calculations and round your answer to 2 decimal places.) Profitability index b. Calculate the profitability index for project Y. (Do not round intermediate calculations and round your answer to 2 decimal places.) Profitability index