Sales When a store sells【T1】______at a cost lower than usual, it is called a sale. Sales last for【T2】______. Then the cost is returned to its usual【T3】______. There are【T4】______sales. For example, a "back-to-school sale" is held【T5】______the school year. A【T6】______sale among many people is the "buy one, get one free" sale. You buy one thing and get a second one【T7】______. Another kind of sale is a 【T8】"______" sale. This is when【T9】______tries to sell all the goods in the store before closing the business【T10】______.