Here are the cash-flow forecasts for two mutually exclusive projects:

Year	Cash Flows (dollars)
	Project A	Project B
0	110	110
1	40	59
2	60	59
3	80	59

a-1. What is the NPV of each project if the opportunity cost of capital is 4%?

Note: Do not round intermediate calculations. Round your answers to 2 decimal places.

a-2. Which project would you choose?

b-1. What is the NPV of each project if the opportunity cost of capital is 10%?

Note: Do not round intermediate calculations. Round your answers to 2 decimal places.

b-2. Which would you choose?

Please answer A-1 and B-1.