By selling a table at 2600, a shopkeeper makes a profit of 30%. At what price should he sell the table so as to make a loss of 30%?

Let the cost price of table be Y

the product is sold at 30% profit

therefore 30% of Y is , (30/100 ) x Y = 0.3Y 

so sale price with profit becomes = Y x 0.3Y = 1.3Y

Now, 1.3Y = 2600 (given)

hence cost price Y= 2600/1.3 = 2000

now , 30% of 2000 is (30/100) x 2000 = 600

Hence, sale price with 30% loss = 2000 - 600 = 1400

He should sell at 1400 to make a loss of 30%