Answer:
2.13 years
Explanation:
The payback period is the time taken for the net inflows from a project to equal the amount invested into that project.
Year Outflow/inflow Balance
0 ($3,768,966) ($3,768,966)
1 $979,225 ($2,789,741 )
2 $1,158,886 ($1,630,855 )
3 $1,881,497 250,642
Additional period = 250,642 /1,881,497 = 0.13
Payback period = 2.13 years