I need help

Name Extra Credit for Chapter 2. All problems must be completed and all work must be shown to receive credit. I . What amount of wallpaper should you purchase if you need to cover 480 square feet of wall area and 9% of the material purchased will be wasted? Round to the nearest square foot. 2. You work for a manufacturing company that decides to introduce a new product. If your company offers retailers a 35% discount off list price, what should the list price be to ensure that your company nets $1,600? 3. You buy goods with a list price of $4,500 with terms of 6/15, n/45. If the supplier has a policy of allowing a cash discount for partial payments and you pay $3,000 within the discount period, calculate the amount of credit you will receive for this payment. of this machine? 4. A copy machine cost $2,990, after a discount of 30/12/5. What was the original list price