Question 17 3 pts lan Co has an all-cash policy and sells 100 units per month at $600 a unit. The variable cost is $400 a unit. Should the firm grant 30 days of credit. it expects its sales would rise to 130 units without changes to price or costs per unit. The monthly required return is 0.5 percent. What is the NPV of switching to a credit policy? Assume 30 days per month. $1,088,000 -$46,129 $1,128,000