Please help with this part of my finanace study guide

For the following two projects, determine the 3 Payback Period Discounted Payback @ Net Present Value @ Profitability Index (Benefit-Cost Ratio) Internal Rate of Return @ Modified Internal Rate of Return Note that Project A is a Highest risk project while Project B is of Average risk. Assume your firm is in the 40% tax bracket, and that your cost of capital is 13%. The firm adjusts its projects with risk adjusted discount rates to account for project risks. 2 The risk schedule applied is as follows