(IRR calculation) Determine the IRR on the following projects: a. An initial outlay of $10,000 resulting in a single free cash flow of $16,966 after 9 years b. An initial outlay of $10,000 resulting in a single free cash flow of $51,518 after 15 years c. An initial outlay of $10,000 resulting in a single free cash flow of $108,437 after 19 years d. An initial outlay of $10,000 resulting in a single free cash flow of $13,688 after 2 years