Boilermaker House Painting Company incurs the following transactions for September.

1. Paint houses in the current month for $20,000 on account.

2. Purchase painting equipment for $21,000 cash.

3. Purchase office supplies on account for $3,500.

4. Pay employee salaries of $4,200 for the current month.

5. Purchase advertising to appear in the current month for $1,000 cash.

6. Pay office rent of $5,400 for the current month.

7. Receive $15,000 from customers in (1) above.

8. Receive cash of $6,000 in advance from a customer who plans to have his house painted in the following month.

Required:

1. Record each transaction. Boilermaker uses the following accounts: Cash, Accounts Receivable, Supplies, Equipment, Accounts Payable, Unearned Revenue, Common Stock, Retained Earnings, Service Revenue, Salaries Expense, Advertising Expense, and Rent Expense.

2. Post each transaction to T-accounts and compute the ending balance of each account. At the beginning of September, the company had the following account balances: Cash, $26,100; Accounts Receivable, $1,700; Supplies, $500; Equipment, $7,400; Accounts Payable, $1,200; Common Stock, $25,000; Retained Earnings, $9,500. All other accounts had a beginning balance of zero.

3. After calculating the ending balance of each account, prepare a trial balance.