A company expects its September sales to be 15% higher than its August sales of $140,000. Purchases were $75,000 in August and are expected to be $85,000 in September. All sales are on credit and are collected as follows: 30% in the month of the sale and 70% in the following month. Merchandise purchases are paid as follows: 25% in the month of purchase and 75% in the following month. The beginning cash balance on September 1 is $71,500. The ending cash balance on September 30 would be:
a) $135,300
b) $121,800
c) $143,700
d) $140,300
e) $148,700