### Greenpower Energy Cost of Capital: IRR, NPV

Greenpower Energy is considering two mutually exclusive projects. Both projects require an initial investment of $10,000. Project S is expected to produce cash flows of $1000, $2000, $6000, and $7000 in year 1, year 2, year 3, and year 4 respectively. Project Q is expected to produce cash flows of $6000, $5000, $2000, and $1000