(a) Goods are accepted when the lessee:

(1) After a reasonable opportunity to inspect the goods, signifies to the lessor or the supplier that the goods conform or will be taken or retained in spite of their nonconformity;

(2) After a reasonable opportunity to inspect the goods, fails to make an effective rejection; or

(3) Does any act inconsistent with the interest of the lessor or supplier in the goods or inconsistent with the lessor’s claim of rejection or revocation of acceptance and the act is ratified by the lessor or supplier as an acceptance.

(b) Acceptance of a part of a commercial unit is acceptance of the entire unit.