Kingbird, Inc. began work on a $6,530,000 contract in 2017 to construct an office building. During 2017, Kingbird, Inc. incurred costs of $1,935,360, billed its customers for $1,243,000, and collected $914,000. At December 31, 2017, the estimated additional costs to complete the project total $3,440,640.

Prepare Kingbird's 2017 journal entries using the percentage-of-completion method.