Must be solved with an excel spreadsheet

Two mutually exclusive projects are under consideration. Year Project A Project B 0 -$5,000 -$9,000 1 $2,750 $1,000 2 $2,750 $3,000 3 $2,750 $5,000 4 $2,750 $7,000 5 $2,750 $9,000 (a) Which project should be selected if the simple payback method is used to make the determination? [Show the plot!] (b) Which project should be selected if IRR is used? (c) Explain any differences in results