Answer and Explanation:
a. The computation of the e amount of revenue, expense, and net income for each of the three years 2017 through 2019 is shown below:
Year 2017 2018 2019
Expense $36 million $81 million $63 million (A)
Total
cost incurred $180 million $180 million $180 million (B)
Completion
Percentage 20% 45% 35% C = (A ÷ B)
Revenue
Recognized $44 $99 $77 D = ($220 million × C)
Gross profit $8 $18 $14 (D - A)
b. As per the above calculation, the cost-to-cost method provides a good measure as it creates a relationship between the cost incurred and recognized the revenue