Trevi Inc. sells pools for outdoor use. Below are the details on the cost to customers.

Heaters for pools $$3,600$ each

Installation $$1,000$ each

Maintenance plan $3$ years $$1,200$ each

Pools $$14,000$ each

Trevi sold three pools with heaters to Deluxe Appts for a total contract price of $$55,200.$ The contract includes installation and a maintenance plan for each of the pools. Trevi signs the contract on May $1,2023,$ and receives a $20\%$ down payment. The pools are delivered and installed on June $1,2023,$ and full payment is made.

Required:

Prepare the journal entries for Trevi in $2023$ related to this arrangement as well as any adjusting journal entries at its December year end. Omit any cost of goods sold$/$inventory entries.