Final answer:
The company had $25,250 in cash at the close of business on September 30.
Step-by-step explanation:
To determine the cash balance at the close of business on September 30, we need to consider the cash receipts and disbursements for the month of October, as well as the cash balance on October 31.
We can calculate the cash balance on September 30 by subtracting the October cash receipts and disbursements from the October 31 cash balance.
Cash balance on September 30 = Cash balance on October 31 - Cash receipts in October + Cash disbursements in October.
Let's substitute the values given:
Cash balance on September 30 = $24,600 - $114,500 + $115,150 = $25,250.
Therefore, the company had $25,250 in cash at the close of business on September 30.