Based on the account balances below, what is the total of the debit and credit columns of the adjusted trial balance?

Service revenue	$4650		Equipment	$5690
Cash	2695		Prepaid insurance	1395
Unearned service rev.	4670		Depreciation expense	570
Salaries and wages expense	1220		Accum. depreciation	1450
Common stock	320		Retained earnings	480

Select answer from the options below

A.) $10120

B.) $10920

C.) $9780

D.) $11570