On April 1, Ken's Construction, Inc., enters into a contract to build a store for Lo-Price Retail, Inc., at a specific location in Metro City. On April 10, Metro changes its zoning law to prohibit the construction of a commercial building at that location. Lo-Price files a suit against Ken's Construction. In this situation
a. Ken's Construction is in breach of contract.
b. Lo-Price Retail is in breach of contract.
c. the contract is discharged.
d. the contract is suspended.