A company contracted to build a bridge for $5,000,000. Construction began in 2020 and was completed in 2021. Data relating to the construction are: 2020 2021 Costs incurred...... ....................... $1,620,000 $1,400,000 Estimated costs to complete ................................ 1,380,0 $0 Required Using the percentage-of-completion method and the cost-to-cost basis, (a) How much revenue should be reported for 2020? Show your calculation. (b) Prepare the journal entry to record progress billings of $1,700,000 during 2020 (5 entries). (c) Prepare the journal entry to record the revenue and expenses for 2020 (6 entries). (d) How much gross profit should be reported for 2021? Show your calculation