Sentinel Company is considering an investment in technology to improve its operations . The investment will require an initial outlay of $250000 and will yield the following expected cash flows. Management requires a 10% return on investments.

cash flows

period 1 =47000

period 2= 52000

period 3=75000

period 4=94000

period 5= 125000

Determine the payback period for its investement

Determine the break even time for its investement

Determine the net present value for its investment

I would like to know how to do excel for this problem