Solve the following rate of return problems.

1. An investment of $1,400 today returns $68,000 in 50 years. What is the internal rate of return on this investment?
2. An investment costs $650,000 today and promises a single payment of $13.3 million in 22 years. What is the promised rate of return, IRR, on this investment?
3. What return do you earn if you pay $23,910 for a stream of $5,000 payments lasting 10 years?

!. IRR %

2 IRR %

3.IRR %