Adler Construction Co. uses the percentage-of-completion method. In 2018, Adler began work on a contract for $6,500,000 and it was completed in 2019. Data on the costs are: Year Ended December 31 Costs incurred for the year Estimated costs to complete 2018 2019 $3,900,000 $2,800,000 2,600,000 For the years 2018 and 2019, Adler should recognize gross profit (loss) of 2018 2019 Select one: O a. $0 ($200,000) O b. $2,580,000 $1,720,000 O C. $2,700,000 $4,300,000 O d. $2,700,000 $1,600,000