Long Construction Company uses the percentage-of-completion method of accounting for long-term construction contracts. During 2021, Long began work on a $400 million fixed-fee construction contract, which was completed in 2024. Cost incurred and estimated costs to complete at year-end for the life of the contract are as follows ($ in millions): 
Cost Incurred 
Estimated Costs to Complete as of December 31 
2021 
$60 
$240 
2022 
$84 
$176 
For the year 2022, Long should have recognized gross profit on this contract of: 
a.$20 million. 
b.$18 million. 
c.$16 million. 
d.$14 million.