can you explain how to do these two problems please. also the last one is question 3 and the middle one is question 4

Exercise 6-19 (Algo) Long-term contract; revenue recognition over time and at a point in time [LOG-9] Assume Nortel Networks contracted to provide a customer with Internet infrastructure for $2,860,000. The project began in 2021 and was completed in 2022. Data relating to the contract are summarized below: 2021 2022 Costs incurred during the year $ 372,000 $2,235,000 Estimated costs to complete as of 12/31 1,488,000 0 Billings during the year 530,000 1,800,000 Cash collections during the year 490,000 1,840,000 [ Required: 1. Compute the amount of revenue and gross profit or loss to be recognized in 2021 and 2022 assuming Nortel recognizes revenue over time according to percentage of completion. 2. Compute the amount of revenue and gross prot or loss to be recognized in 2021 and 2022 assuming this project does not qualify for revenue recognition over time. 3. Prepare a partial balance sheet to show how the information related to this contract would be presented at the end of 2021 assuming Nortel recognizes revenue over time according to percentage of completion. 4. Prepare a partial balance sheet to show how the information related to this contract would be presented at the end of 2021 assuming this project does not qualify for revenue recognition over time. 9 Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required 4 Prepare a partial balance sheet to show how the information related to this contract would be pre assuming this project does not qualify for revenue recognition over time. Current assets: Accounts receivable $ 253.000 6 Current liabilities: Billings in excess of costs and prot 490.000 6 9 Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 3 Required4 Prepare a partial balance sheet to show how the information related to this contract would i assuming Nortel recognizes revenue over time according to percentage of completion. Accounts receivable 0 $ 253.000 6