Subject to the provisions of this chapter on breach in installment contracts (section 28-2-612[, Idaho Code]) and unless otherwise agreed under the sections on contractual limitations of remedy (sections 28-2-718 and 28-2-719[, Idaho Code]), if the goods or the tender of delivery fail in any respect to conform to the contract, the buyer may
(1) reject the whole; or
(2) accept the whole; or
(3) accept any commercial unit or units and reject the rest.