NOTE: This fact pattern will be utilized for Questions 6 thr…

NOTE: This fact pattern will be utilized for Questions 6 through 10. On August 2, CNOOC, the state-owned China National Offshore Oil Corporation, offered to purchase Texas-based Oiltex, which produces and sells crude oil, natural gas, and geothermal energy, and manufactures and sells petroleum fuels and lubricants, fertilizers, and specialty minerals. Oiltex accepted the offer and their lawyers negotiated a written contract whereby CNOOC promises to pay $18.5 billion U.S. Dollars to Oiltex and Oiltex promised to sell all of its holdings and assets to CNOOC on January 1. The authorized officers of both companies signed the contract and both parties proceeded to perform their duties under the terms and conditions of the contract.   The contract is best classified as which of the following?