Sunland Windows manufactures and sells custom storm windows for porches. Sunland also provides installation service for the windows. The installation process does not involve changes in the windows, so this service can be performed by other vendors. Sunland enters into the following non-cancellable contract on July 1, 2023, with a local homeowner. The customer purchases windows for a price of $2,800 and chooses Sunland to do the installation. Sunland charges the same price for the windows regardless of whether it does the installation or not. The customer pays Sunland $2,304 (which equals the fair value of the windows, which have a cost of $1,400 ) on delivery and the remaining balance on installation of the windows. The windows are delivered on September 1 , 2023, Sunland completes installation on October 15, 2023, and the customer pays the balance due. (a) Perform step 4 of the five-step process for revenue recognition. Prepare the journal entries for Sunland assuming Sunland estimates the stand-alone value of the installation based on an estimated cost of $480 plus a margin of 20% on cost. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter "O" for the amounts. Round percentage allocations to 2 decimal places, e.g. 15.25\% and final answers to 0 decimal places, e.g. 5,275. Record journal entries in the order presented in the problem. List all debit entries before credit entries.)