Please help

1. A project will generate the following cash flows: -$10,250 in Year 0; $2,325 in Year 1; $3,450 in Year 2;$4,375 in Year 3; $1,400 in Year 4; and $1,425 in Year 5. If the company's cost of capital is 9%, what is the project's Modified IRR?

2. A project will generate the following cash flows: -$7,550 in Year 0; $5,250 in Year 1; $5,250 in Year 2; and $5,250 in Year 3. What is the project's payback period?