I dont understand this, please help!

(NPV, PI, and IRRcalculations)

Considering two independentprojects, project A and project B. The initial cash outlay associated with project A is$50,000, and the initial cash outlay associated with project B is$70,000. The required rate of return on both projects is12 percent. The expected annual free cash inflows from each project are:

PROJECT A PROJECT B

Initial Outlay -50,000 -70,000

Inflow year 1 12,000 13,000

Inflow year 2 12,000 13,000

Inflow year 3 12,000 13,000

Inflow year 4 12,000 13,000

Inflow year 5 12,000 13,000

Inflow year 6 12,000 13,000