The information necessary for preparing the 2021 year-end adjusting entries for Gamecock Advertising Agency appears below. Gamecock's fiscal year-end is December 31. 1. On July 1,2021 , Gamecock receives $4,400 from a customer for advertising services to be given evenly over the next 10 months. Gamecock credits Deferred Revenue. 2. At the beginning of the year, Gamecock's depreciable equipment has a cost of $21,600, a four-year life, and no salvage value. The equipment is depreciated evenly (straight-line depreciation method) over the four years. 3. On May 1,2021 , the company pays $2,880 for a two-year fire and liability insurance policy and debits Prepaid Insurance. 4. On September 1,2021 , the company borrows $26,000 from a local bank and signs a note. Principal and interest at 12% will be paid on August 31, 2022. 5. At year-end there is a $1,900 debit balance in the Supplies (asset) account. Only $840 of supplies remains on hand. Required: Record the necessary adjusting entries on December 31, 2021. No prior adjustments have been made during 2021. (Do not round intermediate calculations. If no entry is required for a particular transaction/event, select "No Journal Entry Required" in the first account field.)