What is the Net Present Value, business and finance homework help

1.Calculate the NPV of a project with thefollowing cash flows and a 12% discount rate:Year 0 1 2 3 4 Cash Inflows  $0  $125 $150  $200  $225Cash Outflows  $400  $150  $100 $50  $50From years 5  9, you will receivenet cash inflows of $100 per year (hint: use ordinary annuity valuation formulawith 12% as the interest rate, and be careful when deciding how many periods ittakes to discount it to the present value).