5. Consider the following series of cash flowsYou invest $800 today and an additional investment of $500 three years from today.You expect to receive the following cash flows:

End of Year 1 $200

End of Year 2 $200

End of Year 3 $500

End of Year 4 $600

A. If you assume a discount rate of 3%, how much does the value today of the benefits exceedthe value today of the costs?

B. What is the return on your investment?

A. 116

B. 7.9%

I don't understant how B is 7.9. Please use calculator terms to explain how you get your solution. Ex. N=5 PMT = I/YR=4.3% etc.