16. Assume all sales are one-time credit sales with a probability of collection of 96 percent. The variable cost per unit is $1.67, the sales price per unit is $4.99, and the monthly interest rate is 1.35 percent. What is the NPV of a credit sale of one item? A) $3.06 B) $3.18 C) $2.87 D) $3.38 E) $2.92