The purchase price of a product is 1,000 yuan, and the price is 1,500 yuan. The store requires a 5% profit margin to sell the product. How much discount should the product be discounted?
某商品进价是1000元，标价为1500元，商店要求按利润率是5%的售价出售，则此商品需打几折？
<result>7</result>