please answer a-d! thank you.

$3,600 and $3,900 over the next 5 yoars. (Hint For mxed stream cash infllows calculate cumulative cash inflows on recovered) a. How long will it take for Bill to recoup his initial investment in project A? b. How long will it take for Bus to recoup his inital investment in propect B? c. Using the payback period, which project should Bill choose? d. Do you see any problems with his choice? a. For Bull to recoup his inibel invostment in project A. it will take years (Round to two decinal places.)