Compute the discounted payback statistic for Project D if the appropriate cost of capital is 10 percent and the maximum allowable discounted payback is four years. (Do not round intermediate calculations and round your final answer to 2 decimal places. If the project does not pay back, then enter a "O" (zero).) Project D Time: Cash flow: 1 1 -$12,900 $3,540 2 $4,560 3 $1,900 4 $0 5 $1,380 Discounted payback period years