[The following information applies to the questions displayed below.]

In 2021, the Westgate Construction Company entered into a contract to construct a road for Santa Clara County for $10,000,000. The road was completed in 2023. Information related to the contract is as follows: 2021 2022 2023 Cost incurred during the year $ 2,580,000 $ 4,042,000 $ 2,175,800 Estimated costs to complete as of year-end 6,020,000 1,978,000 0 Billings during the year 2,060,000 4,562,000 3,378,000 Cash collections during the year 1,830,000 4,200,000 3,970,000 Westgate recognizes revenue over time according to percentage of completion.

2-a. In the journal below, complete the necessary journal entries for the year 2021 (credit "Various accounts" for construction costs incurred).

2-b. In the journal below, complete the necessary journal entries for the year 2022 (credit "Various accounts" for construction costs incurred).

2-c. In the journal below, complete the necessary journal entries for the year 2023 (credit "Various accounts" for construction costs incurred).