In May 2017, Parmac Engineering Company signed a $240 million contract with the city of Parkersburg, to construct a new city hall. Parmac expects to construct the building within two years and incur expenses of $180 million. The city of Parkersburg paid $60 million when the contract was signed, $120 million within the next six months, and the final $60 million exactly one year from the signing of the contract. Parmac incurred $72 million in costs during 2017 and rest in 2018 to complete the contract on time. Show your Income Statement and Balance Sheet entries on May 31, 2017, December 31, 2017 and May 31, 2018