A. Mr Owen has bought this convertible on hire-purchase for 4 years. He's paid three-fourths and now he just pays for the rest.<br/><br/>B. Mr Owen has bought this convertible on 4 year installment plan. He's paid three-fourths and he has one-fourths to go.<br/><br/>Are these 2 sentences grammatical and ok to say?<br/><br/>Thank you very much, Teachers<br/><br/>Beopro