On March 1, Acme Co. contracts with Mega Inc. to construct an office building for $10 million, with the work to begin on July 1. After agreeing to the contract, Mega runs into some unexpected financial problems, and on July 1 it notifies Acme that it is canceling the contract because it does not have the money to pay for the construction project.

Explain whether Mega's contractual obligation is discharged due to impossibility.