In a science and technology invention competition, an ashtray with an ashtray that would emit a heavy cough like advanced lung cancer patients won the creative award. After the competition, a manufacturer bought out the idea and pushed the product further. Market, but sales are not ideal. Based on the above information, the reasons for poor sales can be explained most reasonably and fully:. ['The price of this new type ashtray is 50 yuan more expensive than ordinary ashtrays, and many consumers find it worthless.', 'Many smokers feel that this ashtray can serve as a wake-up call.', 'Many manufacturers have chosen this idea to develop and produce after the technological invention contest, and at the same time bring their products to the market.', 'A manufacturer introduced a new type of lighter during the same period, attracting many consumers.']