The unadjusted trial balance for Grouper Corp. is shown below. Assume the following adjustment data. 1. Supplies on hand at October 31 total $520. 2. Expired insurance for the month is $120. 3. Depreciation for the month is $135. 4. As of October 31, services worth $950 related to the previously recorded unearned revenue had been performed. 5. Services performed but unbilled (and no receivable has been recorded) at October 31 are $250. 6. Interest expense accrued at October 31 is $75. 7. Accrued salaries at October 31 are $1,520. No. Date Account Titles and Explanation Debit Credit 1. Oct. 31 2. Oct. 31 3. Oct, 31 4. Oct, 31 5. Oct 31 6. Oct. 31 7. Oct. 31