A business buys supply materials for $15 less 25%, 20%, and 10%. The store prices the merchandise at a regular selling price to cover expenses of 5% of the regular selling price and the net profit of 50% of the cost. Business mark with the price to be able to offer a discount of 10% while still maintaining his regular markup. During the clearance sale, supply materials were sold at a markdown of 25%.

1. How much retailer pays for that appliance?

2. How much is the regular profit?

3. What is the regular selling price?

4. What was the marked price?

5. What is the sale price?

6. What profit (loss enter as a negative value) was realized during the sale event?