Record the adjusting entry for revenue. Of the $10,000 paid in advance by customers, $7,000 of the work has been completed by the end of the year. Depreciation for the year on the machinery is $8,000. Plumbing supplies remaining on hand at the end of the year equal $1,100. Of the $10,000 paid in advance by customers, $7,000 of the work has been completed by the end of the year. Accrued utilities at year-end amounted to $6,000 7. Prepare an adjusted trial balance, Credit PIPERS PLUMBING Adjusted Trial Balance December 31, 2021 Accounts Debit Cash Accounts Receivable Supplies Equipment Accumulated Depreciation