PLEASE HELP WITH ACTUAL CALCULATIONS. NO EXCEL.

(IRR calculation) Determine the IRR on the following projects: a. An initial outlay of $10,000 resulting in a single free cash flow of $16,997 after 7 years b. An initial outlay of $10,000 resulting in a single free cash flow of $51,777 after 15 years c. An initial outlay of $10,000 resulting in a single free cash flow of $107,844 after 25 years d. An initial outlay of $10,000 resulting in a single free cash flow of $13,778 after 3 years