please help

kboar i Saved Help Sa Compute the payback statistic for Project B if the appropriate cost of capital is 11 percent and the maximum allowable payback perio is three years. (If the project never pays back, then enter a "0" (zero).) Project B Time: 0 1 3 4 2 $4,260 5 $1,080 Cash flow: -$11,400 $3,390 $1,600 $0 Payback years