Determine the IRR on the following projects: a. an initial outlay of $10,000 resulting in a single free cash flow of $1,844 after 11 years. b. an initial outlay of $10,000 resulting in a single free cash flow of $2,039 after 20 years. c. an initial outlay of $10,000 resulting in a single free cash flow of $1,194 after 13 years. d. an initial outlay of $10,000 resulting in a single free cash flow of $2,888. after 5 years.