Christie's reality-TV company, Touchdown Productions, was sold to a Dutch company Eyeworks in 2006. Christie remains in the position of New Zealand's Eyeworks us president. Touchdown produced such reality shows as Treasure Island, (contestants isolated over a Fijian island), The Chair, (contestants submitted to psychological shocks while attached to a heart monitor machine) and Miss Popularity (young female contestants voted off an outback experience). It is reported the shows have screened in 25 countries, yet it would seem they did not have long seasons. To solve the diversity of customer demand, the contradiction between the rapid change and the retail business scale, the need to adapt to different consumer groups, retail diversified mode of operation (i.e., retail format) on characteristics. There are department stores, supermarkets, specialty stores, chain stores, discount stores, convenience stores, and grocery stores, and they are constantly innovating. Profit is divided into pretax profit and after-tax profit according to its forming process. Profit before tax is also called total profit; Pre-tax profit minus income tax, i.e., profit after tax, also known as net profit