 Hello and welcome to the session. In this session we are going to discuss the following question and the question says that the mark price of an article is marked 15% above the cost price and then it is sold at a discount of 12%. What is the net gain percent? We will use the following formulas to solve this question. Selling price is equal to mark price minus discount. Also profit is equal to selling price minus cost price. Profit percent is equal to profit upon cost price into 100. With this key idea let us proceed with the solution. Let the cost price of an article be $100. We are given that mark price is equal to 15% more than the cost price. This implies mark price is equal to cost price plus 15% of cost price. That is equal to 100 plus 15 upon 100 into 100 which is equal to 100 plus 15 dollars. That is equal to 115 dollars. Now discount will be equal to 12% of the mark price which is equal to 12 upon 100 into 115. So now 4 threes are 12, 4 into 25 is 100, 5 fives are 25, 5 into 23 is 115. So this is equal to 69 upon 5 dollars which is equal to 13.8 dollars. So now we have the mark price of the article is 115 dollars and the discount is 13.8 dollars. As we know selling price is equal to mark price minus discount therefore selling price of the article is equal to 115 minus 13.8 dollars. That is equal to 101.2 dollars. So now as profit is equal to selling price minus cost price therefore here profit will be equal to 101.2 minus 100 dollars which is equal to 1.2 dollars. So as profit percent is equal to profit upon cost price into 100 therefore profit percent is equal to 1.2 upon 100 into 100 which is equal to 1.2 percent. Hence the net profit is equal to 1.2 percent which is our answer. This completes our session. Hope you enjoyed this session.