(BRAINLIEST) Find the selling price of each item using the method of your choice. You must show your work 3) cost of a CD: $13.50 markup: 87%. 4) cost of a book: $74.50 markup:50% 5) original price of a tie: $2.50 discount: 37% 6) original price of tie: $25.99 discount : 40% 7.) Original price of puppy: $84.99 tax: 3% 8) original price of a puppy: $189.99 tax: 5%