9-2B. (IRR calculation) Determine the internal rate of return on the following projects:

a. An initial outlay of $10,000 resulting in a cash flow of$2,146 at the end of each year for the next 10 years

b. An initial outlay of$10,000 resulting in a cash flow of$I,960 at the end of each year for the next 20 years

c. An initial outlay of $10,000 resulting in a cash flow of $1 ,396 at the end of each year for the next 12 years

d. An initial outlay of$10,000 resulting in a cash flow of $3,197 at the end of each year for the next 5 years