This document provides instructions for completing an 8-column worksheet for a merchandising business for Coastal Aquatics for the year ended December 31, 2020. The instructions include entering missing account totals in the trial balance, recording adjustments for supplies, prepaid insurance, and merchandise inventory, and completing the income statement and balance sheet columns with formulas. The adjustments are to be recorded in the adjustments debit and credit columns with identifying letters in parentheses.