What Approximate Value Should a Firm Put on Being Able $\div$

What approximate value should a firm put on being able to permanently reduce the length of its collection period by one day if annual sales (all on credit) are $5,000,000 and the appropriate opportunity cost is 10 percent annually?

A) $1,370
B) $15,068
C) $13,700
D) $50,000 annual sales/365 x 1 day $\div$ .10/365
= $\approx$ $3.75 per day in interest,