Help please

4. Quantity Discount Model Georgia Products o'ers the following discount schedule for its 4- by 8-foot sheets of good- quality plywood: ORDER UNIT COST (3) More than 50 sheets 17.25 Home Sweet Home Company orders plywood from Georgia Products. Home Sweet Home has an ordering cost of $45. The carrying cost is 20%, and the annual demand is 100 sheets. What do you recommend