Slim Corp. requires a minimum $8,000 cash balance. If necessary, loans are taken to meet this requirement at a cost of 1% interest per month . Loans are repaid at month's end from any excess cash. The cash balance on July 1 is $8,400. Cash receipts other than for loans received for July, August, September are forecasted as $24,000, $32,000, and $40,000, respectively. Payments other than for loan or interest payments for the same period are planned at $28,000, $30,000, and $32,000, respectively at July 1, there are no outstanding loans.