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

a$.$ Corentine Company had $$170,000$ of accounts payable on September $30$ and $$141,500$ on October $31.$ Total purchases on credit during October were $$299,000.$ Determine how much cash was paid on accounts payable during October.

b$.$ On September $30,$ Valerian Company had a $$111,500$ balance in Accounts Receivable. During October, the company collected $$111,890$ from its credit customers. The October $31$ balance in Accounts Receivable was $$107,000.$ Determine the amount of sales on credit that occurred in October.

c$.$ During October, Alameda Company had $$120,500$ of cash receipts and $$121,150$ of cash disbursements. The October $31$ Cash balance was $$27,600.$ Determine how much cash the company had at the close of business on September $30.$

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Corentine Company had $$170,000$ of accounts payable on September $30$ and $$141,500$ on October $31.$ Total purchases on credit during October were $$299,000.$ Determine how much cash was paid on accounts payable during October.

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