The following accounts and balances are taken from Anstett Company's adjusted trial balance: Accounts Payable $10,000
Accounts Receivable 3,000
Accumulated Depreciation 1,800
Depreciation Expense 1,800
Dividends 2,000
Insurance Expense 2,300
Interest Revenue 1,340
Prepaid Insurance 2,320
Retained Earnings 10,100
Salary Expense 25,100
Service Revenue 37,800
What is the ending balance in Retained Earnings after the closing entries are completed?
A $15,720
B $20,040
C $18,240
D $18,040