A Buyer Purchases Some Equipment That Costs $20,000

A buyer purchases some equipment that costs $20,000.As part of the contract,the seller agrees to install this equipment for an additional $2,000.After the buyer begins using the equipment,problems develop.Some of the problems relate to how the equipment was installed,while others relate to the equipment itself.Which of the following is true?

A) The sales portion of the contract is covered by the UCC,but the installation services are covered under common law.
B) The entire contract is covered under the UCC.
C) The entire contract is covered under common law.
D) Either the entire contract is covered under the UCC or the entire contract is covered under common law; which one covers it depends on whether more of the problems relate to the equipment itself or to the installation.