Tina invested in a project with a payback period of 4 years. The project brings $20,000 per year for a period of 10 years. What was the initial investment?

a.$80,000

b.$162,000

c.$240,000

d.$107,500

e.Cannot be determined from this information.

Elena Wallace invested $150,000 in a project that pays her an even amount per year for 10 years. The payback period is 6 years. What are Elena's yearly cash inflows from the project?

a.$150,000

b.$25,000

c.$15,000

d.$90,000

e.Cannot be determined from this information.