7. A firm is planning to improve its infrastructure, and currently there are two projects considered for this purpose Project X and Project Y. Project X has an initial cost of $67,742.88 and is expected to generate annual cash flows of $8,000 for the next 17 years. Project Y has an initial cost of $33,000.00 and is expected to generate annual cash flows of $4,600 for the next 17 years. What is the crossover rate where the two projects have the same NPVs? a. 6.35% b. 6.92% C. 6.79% d. 5.97% e. 5.72%