Answer:
3.14 years
Step-by-step explanation:
Year Cash flow Accumulated cash flows
0 -$4,900 -$4,900
1 $1,150 -$3,750
2 $1,350 -$2,400
3 $2,230 -$170
4 $1,250 $1,080
3 years + $170/$1,250 = 3.14
The payback period is 3.14 years, or 3 years, 1 month and 19 days.