Shanahan Construction Company has entered into a contract beginning January 1, 2020, to build a parking complex. It has been estimated that the complex will cost $600,000 and will take 3 years to construct. The complex will be billed to the purchasing company at $900,000. The following data pertain to the construction period.
2020 2021 2022
Costs to date 270,000 450,000 610,000
Estimated costs to complete 330,000 150,000 0
Progress billings to date 270,000 550,000 900,000
Cash collected to date 240,000 500,000 900,000

(a) Using the percentage-of-completion method, compute the estimated gross profit that would be recognized during each year of the construction period.
(b) Using the completed-contract method, compute the estimated gross profit that would be recognized during each year of the construction period.