26. Computing internal rate of return. Compute the internal rate of return for each of the following projects, each of which requires an initial investment of $100,000 and provides the periodic cash ows indicated. a. $23,098 per period for ve periods. b. $20,336 per period for six periods. c. $17,401 per period for eight periods. d. $16,144 per period for 12 periods. e. $17,102 per period for 15 periods.

How do I compute the IRR manually (without using excel)? I'd appreciate a step by step breakdown of how to solve this. Thanks!