Tony ： Yes， I'm looking for a color TV set.

　　Clerk ： We carry all the well-known makes here： General Electric， Sony， National， Philco， and other famous manufacturers.

　　Tony ： What is the price of this console？

　　Clerk ： This set sells for $ 800. You have good taste， sir. It's the new Sony set for this year.

　　Tony ： What size screen is it？

　　Clerk ： It's a 24-inch screen. It also has remote control.

　　Tony ： May I see the set in operation， please？

　　Clerk ： Certainly…。The picture is very clear， no blur， and no fading.

　　Tony ： What can I do if I get the set home and find out it doesn't work well？

　　Clerk ： You can always exchange it for another set. All sets in our shop carry a five years' guarantee. If anything goes wrong， you can always call us. Our television expert will repair it for free.

　　Tony ： Can I buy it in installments？

　　Clerk ： Yes， of course. If I can be assured that you're working and have a steady job. You can use our installment purchase plan.

　　Tony ： What's the down payment and how long do I get to pay it off？

　　Clerk ： We ask for a 20 % down payment. Pay the balance in monthly payments spread out over a year or a year and a half.