Burchfield, Inc The Cash Balance on June 30 Is Projected to Be

Burchfield, Inc. has prepared its third quarter budget and provided the following data: $$\begin{array} { | l | r | r | r | } \hline & { \text { Jul } } & { \text { Aug } } & { \text { Sep } } \\\hline \text { Cash collections } & \$ 49,000 & \$ 39,900 & \$ 47,700 \\\hline \text { Cash payments: } & & & \\\hline \text { Purchases of direct materials } & 30,000 & 21,300 & 17,400 \\\hline \text { Operating expenses } & 12,100 & 8800 & 11,100 \\\hline \text { Capital expenditures } & 13,100 & 24,700 & 0 \\\hline\end{array}$$ The cash balance on June 30 is projected to be $4000. The company has to maintain a minimum cash balance of $5,000 and is authorized to borrow at the end of each month to make up any shortfalls. It may borrow in increments of $5,000 and has to pay interest every month at an annual rate of 4%. All financing transactions are assumed to take place at the end of the month. The loan balance should be repaid in increments of $5,000 whenever there is surplus cash. Calculate the amount of principal repayment at the end of September.

A) $5,000
B) $10,000
C) $15,000
D) $20,000