Ocstedt Corporation produces and sells one product with a budgeted selling price per unit of $10.Budgeted unit sales for July, August, and September are 17,500, 20,500 and 12,000 units respectively. All sales are on credit with 70% expected to be collected in the month of the sale and 30% in the month after the sale. Ocstedt's accounts receivable on July 1st are $60,000. The budgeted accounts receivable balance at the end of September is closest to: a. $ 36,000 b. $120,000 c. $181,500 d. $ 61,500