(1) Acceptance of goods occurs after the lessee has had a reasonable opportunity to inspect the goods; and
(a) the lessee signifies or acts with respect to the goods in a manner that signifies to the lessor or the supplier that the goods are conforming or that the lessee will take or retain them in spite of their nonconformity; or
(b) the lessee fails to make an effective rejection of the goods (K.S.A. 84-2a-509 (2)).
(2) Acceptance of a part of any commercial unit is acceptance of that entire unit.