Response to the following problem:
Use the information in each of the following separate cases to calculate the unknown amount.
a. During October, Shandra Company had $97,500 of cash receipts and $101,250 of cash disbursements. The October 31 Cash balance was $16,800. Determine how much cash the company had at the close of business on September 30.
b. On September 30, Mordish Co. had a $97,500 balance in Accounts Receivable. During October, the company collected $88,950 from its credit customers. The October 31 balance in Accounts Receivable was $100,500. Determine the amount of sales on account that occurred in October.
c. Nasser Co. had $147,000 of accounts payable on September 30 and $136,500 on October 31. Total purchases on account during October were $270,000. Determine how much cash was paid on accounts payable during October.