3B-5. Below is the unadjusted trial balance of JUPITER Incorporated JUPITER INCORPORATED Unadjusted Trial Balance September 1, 20x1 Credit Balances Debit Balances $ 4,200 2.900 4,000 27.000 $ Account Names Cash Accounts receivable Office supplies Equipment Accumulated depreciation - equipment Salaries payable Interest payable Unearned rent revenue Common stock Retained earnings Rent revenue Supplies expense Salary expense Interest expense Depreciation expense - equipment Totals 6,500 800 2.200 1.300 13,000 9,000 7,000 800 900 $39,800 $39,800 a. Office supplies on hand as of September 1 were $800. b. The equipment depreciation for this period is $2,900. c. Salaries earned by employees, who have not yet been paid, have increased by $1,200. Interest owed by JUPITER which has not yet been paid has increased by $450. Unearned rent revenue has decreased by $700. f. As of September 1, JUPITER had provided $4,100 of additional rental services for which they have not yet collected payment