Given data
1-500 motors Net price $16 REbate none Shipping$1.30
501-1000 motors Net price $16 REbate 1.20 Shipping.90
1001-2000 motors Net price $16 REbate 1.80 Shipping .60
A) if you usually purchase 400 motore per month, what percent would be saved per month by ordering 800 every two months?
B) What percent would be saved per motor by ordering 1200 every three months?
C)What other factors besides price should be considered before changing your purchasing procedures?