A commodity will be sold after the cost price is increased by 30%. Later, due to seasonal reasons, it will be sold at a 20% discount, and the price is 104 yuan. Now, is it a loss or a profit to sell one of these commodities? How much do you lose or earn?

A commodity will be sold after the cost price is increased by 30%. Later, due to seasonal reasons, it will be sold at a 20% discount, and the price is 104 yuan. Now, is it a loss or a profit to sell one of these commodities? How much do you lose or earn?

(104 ﹣ 80%) / (1 + 30%) = 130 ﹣ 130% = 100 (yuan); 100 ﹤ 104; 104-100 = 4 (yuan); answer: now this kind of commodity is sold to earn 4 yuan