The Adjusted Trial Balance of Tahoe Company at the End

The adjusted trial balance of Tahoe Company at the end of the accounting year, December 31, 2016, showed the following:
Account Titles
Adjusted Trial Balance
Debits
Credits
Cash
$20,000
Machinery
90,000
Accumulated depreciation
$16,000
Accounts payable
7,000
Capital stock
20,000
Retained earnings
59,000
Service revenue
40,000
Interest expense
4,000
Operating expenses
17,000
Depreciation expense
11,000
Total
$142,000
$142,000
Required:
A.Prepare all the required closing entries for Tahoe Company at December 31, 2016.
B.Calculate the 2016 ending balance in retained earnings.