In 2015, Fargo Corporation began construction work under a three-year contract. The contract price is $4,800,000. Fargo uses the percentage-of-completion method for financial accounting purposes. The income to be recognized each year is based on the proportion of costs incurred to total estimated costs for completing the contract. The financial statement presentations relating to this contract at December 31, 2015, follow:
Balance Sheet
Accounts receivable—construction contract billings: $200,000
Construction in progress: $600,000
Less contract billings: 480,000
Costs and recognized profit in excess of billings: 120,000

Income Statement
Income (before tax) on the contract recognized in 2015 $120,000
~How much cash was collected in 2015 on this contract?
a. $200,000
b. $280,000
c. $40,000
d. $480,000