某商场为增强市场竞争力,改善经营状况,推出有奖销售服务方式,承诺自1997年3月15日起,顾客每在其商场购买100元的商品,可获奖票一张,待此次活动销售总额达到100万元之日,进行公开抽奖,一等奖为价值7800元的进口29寸大屏幕彩电。此广告一经报纸刊登,商场顿时顾客如潮。同年 In order to enhance market competitiveness and improve operating conditions, a shopping mall launched a prize-winning sales service. Since March 15, 1997, customers have won a ticket for each purchase of 100 yuan at their shopping malls. Total sales reached 1 million yuan day, a public lottery, the first prize for the import value of 7800 yuan 29-inch large-screen color TV. Once this ad is published in the newspaper, the store suddenly customers rave. same year