September October November 90,000 120,000 135,000 ? 2 60% 1 2 Sales 9 Purchases 10 Payments 11 First Month 12 Second Month 13 Total Payments 50% 50% If raw materials inventory purchases are equal to 60% of the following month's sales, 50% of purchases are paid for in the month following the purchase, and the remainder is paid in the following month, what formula would you need to enter in D9 to find the purchases in October? =$B$9-D2 =$B$11-E2 =$B$9-C2 = $B$9E2