Use the information in each of the following separate cases to calculate the unknown amount.

a. Corentine Co. had s152.000 of accounts payable on September 30 and s132.500 on october 31. Total purchases on account during October were S281,000. Determine how much cash was paid on accounts payable during October.

b. On September 30, Valerian Co. had a $ 102,500 balance in Accounts Receivable. During October, the company collected S102,890 from its credit customers. The October 31 balance in Accounts Receiv- able was $ 89,000. Determine the amount of sales on account that occurred in October

c. During October, Alameda Company had S102,500 of cash receipts and $ 103.150 of cash disburse- ments . The October 31 Cash balance was $ 18,600. Determine how much cash the company had at the close of business on September 30