Constantino Company presented the following general ledger account balances for the month ended December 31, 2005.

Assets:

Cash ...............20,600

Accounts Receivable ........ 2,250

Equipment .............11,000

Total Assets ............33,850

Liabilities:

Wages Payable ........... 250

Payable to Internet Service ..... 35

Notes Payable ..........17,000

Total Liabilities .........17,285

Owners’ Equity:

Contributed Capital ..........13,000

Retained Earnings ......... 1,000

Service Revenue ......... 3,315

Rent Expense ........... (400)

Wages Expense ............. (315)

Internet Service Expense ....... (35)

Total Owners’ Equity ......16,565

a. Close the books for Constantino Company.

b. Prepare a post-closing summary of account balances similar to Exhibit 13.