The cost of capital for a firm is 10%. The firm has two possible investments with the following cash inflows:

YEAR A B

1 $300 $200

2 $200 $200

3 $100 $200

A,) Each investment costs $480. What investment(s) should the firm make according to net present value?

B.) What is the internal rate of return for the two investments? Which investment(s) should the firm make? Is this the same answer you obtained in part A

C.) If the cost of capital rises to 14%, which investment(s) should the firm make?

Please be detailed and show and explain all work. Thank you so much:-)