Given the following adjusted trial balance:

1.

	Debit	Credit
Cash	1662
Account Receivable	2098
Inventory	3124
Prepaid Rent	86
Equipment	300
Accumulated Depreciation-Equipment		52
Accounts payable		82
Unearned Service Revenue		122
Common Stock		206
Retained Earnings		6610
Service Revenue		368
Interest Revenue		56
Salaries and Wages Expense	160
Travel Expense	66
Total	7496	7496

After closing entries have been posted, the balance in retained earnings will be:

a. $6440

b. $6612

c. $6980

d. $6808