2. at the beginning of the week, cash in bank has an account balance of $3,500.00. during the week, the following transactions occur: office supplies in the amount of $236.12 are purchased; the owner takes a withdrawal of $450.00; a customer's payment of $780.00 is received; and the company's monthly electric bill in the amount of $178.43 is paid. what is the balance of the cash in bank account at the end of the week?