6. On January 1/1/2017, Amman Co. was contracted to construct a bridge at a price of $340,000. The details of the project are as follows, 2017 2018 2019 Costs incurred to date 150,000 220,000 270,000 Estimated costs to complete 100,000 50,000 Billings to date 117,000 250,000 340,000 Collections to date 90,000 235,000 340,000 What is the percent complete in 2018? (4 Points) O 55.5% 78.5% 60% O 81.5%