a. An analysis of WII's insurance policies snows that $3,335 of coverage nas expired. b. An inventory count shows that teaching supplies costing $2,891 are available at year-end. c. Annual depreciation on the equipment is $13,342. d. Annual depreciation on the professional library is $6,671. e. On September 1, WTI agreed to do five courses for a client for $2,600 each. Two courses will start immediately and finish before the end of the year. Three courses will not begin until next year. The client paid $13,000 cash in advance for all five courses on September 1, and WTI credited Unearned Revenue. f. On October 15, WTI agreed to teach a four-month class (beginning immediately) for an executive with payment due at the end of the class. At December 31, $9,903 of the tuition revenue has been earned by WTI. g. WTI's two employees are paid weekly. As of the end of the year, two days' salaries have accrued at the rate of $100 per day for each employee. h. The balance in the Prepaid Rent account represents rent for December. WELLS TECHNICAL INSTITUTE Unadjusted Trial Balance December 31 Cash Accounts receivable) Teaching supplies Prepaid insurance Prepaid rent Professional library Accumulated depreciation-Professional library Equipment Accumulated depreciation-Equipment Accounts payable Salaries payable Unearned revenue Common stock Retained earnings Dividends Tuition revenue Training revenue Depreciation expense-Professional library. Depreciation expense-Equipment Salaries expense Insurance expense Rent expense Advertising expense Utilities expense Totals Teaching supplies expense Debit Credit $ 27,396 0 10,536 15,806 2,108 31,610 $9,484 103,000 16,861 22,000 0 13,000 31,787 79,000 42,149 107,477 40,040 0 50,579 0 23,188 e 7,376 5,901 $319.649 $319.649 G