Profit And Loss

Let the selling price of one article be and the cost price of one article be . According to the problem, the selling price of 80 articles is equal to the cost price of 100 articles. So, We can find the ratio of selling price to cost price: $ Let's consider the cost price of 4 articles as . Then the selling price of 4 articles would be . Gain Gain percentage is calculated as: \) $ Therefore, the gain percentage is 25%.

First, calculate the Marked Price (MP) by increasing the Cost Price (CP) by 15\%: Next, the discount is 8\% of the Marked Price: *Note:* The question’s provided answer (Rs. 3024) seems inconsistent with this calculation. If the intended discount is Rs. 3024, possibly the percentage or base for discount differs. Please verify the original question context.