On April 1, 2019, Aria Constructions Co. contracted to build an office building for Mulla Co. for a total contract price of $4,560,000. The building was substantially completed on December 31, 2021. Following are data related to the construction:

Dec 31, 2019 Dec 31, 2020 Dec 31, 2021

Contract costs incurred to date 720,000 2,880,000 5,040,000

Estimated costs to complete 2,880,000 1,920,000 0

Billings to Mulla 720,000 2,640,000 1,200,000

Required:

a. Using the percentage of completion method, prepare schedules to compute the profit or loss to be recognized as a result of this contract for the years ended December 31, 2019, 2020, 2021 and please explain the results!

b. Using the cost recovery method, prepare schedules to compute the profit or loss to be recognized as a result of this contract for the years ended December 31, 2019, 2020, 2021 and please explain the results!