Please show me how to work this problem out in the simplest way. Or give me functions I can memorize. Thank you.

9. In 2016, Cupid Construction Co (CCC) began work on a two-year fixed price contract project. CCC recognizes revenue over time according to percentage of completion for this contract, and provides the following information (dollars in millions) Accounts receivable, 12/31/2016 (from construction progress billings) $37.5 Actual construction costs incurred in 2016 $135 $105 Cash collected on project during 2016 $207 Construction in progress, 12/31/2016 Estimated percentage of completion during 2016 60% What is the amount of gross profit on the project recognized by CCC during 2016? a. $160 million b $72 million. c. $48 million. d. Cannot be determined from the given information