patnaik home supply sells 783 units per month at an average price of $106 per unit. the firm believes it can increase its monthly sales by an additional 56 units if it switches to a net 30 credit policy. the monthly interest rate is .25 percent and the variable cost per unit is $57.50. what is the monthly incremental cash inflow from the proposed credit policy switch? a) $2,716 b) $1,995 c) $5,936 d) $4,452 e) $3,248
