a. Corentine Co. had $171,000 of accounts payable on September 30 and $142,000 on October 31. Total purchases on account during October were $300,000. Determine how much cash was paid on accounts payable during October. b. On September 30, Valerian Co. had a $112,000 balance in Accounts Receivable. During October, the company collected $112,390 from its credit customers. The October 31 balance in Accounts Receivable was $108,000. Determine the amount of sales on account that occurred in October. c. During October, Alameda Company had $121,500 of cash receipts and $122,150 of cash disbursements. The October 31 Cash balance was $28,100. Determine how much cash the company had at the close of business on September 30