The original price of a TV set was 4000 yuan. First the price was reduced by 5%, then the price was increased by 5%. Now how much does it cost to buy a TV set? Is it 4000 yuan

The original price of a TV set was 4000 yuan. First the price was reduced by 5%, then the price was increased by 5%. Now how much does it cost to buy a TV set? Is it 4000 yuan

[4000 * (1-5%)] * (1 + 5%) = 3990 yuan