3,4,5 and 6 are wrong. please help!

The same scenario will be used for questions 1-10. Kelth Shoe Stores camies a basic black dress shoe for men that sells at an annual demand of 2000 pairs. Keith's current buyl The annual carrying cost for each pair over a one year period is 20% of the price of a pair that Keith pays. At the order quantil offer. Other quantity discounts offered by the supplier are given in the following table. If Keith is willing to pay a unit price of $32.00, determine the total, including the purchase, carrying and ordering. cost \begin{tabular}{|r|} \hline 64920.00 \\ \hline 64940.00 \\ \hline 64938.31 \\ \hline 64876.36 \\ \hline \end{tabular} None of the above QUESTION 8 The same scenario will be used for questions 1-10. Keith Shoe Stores carries a basic black dress shoe for men that sells at an annual demand of 2000 pairs. Keith's current buyin The annual carrying cost for each pair over a one year period is 20% of the price of a pair that Keith pays. At the order quantit offer. Other quantity discounts offered by the supplier are given in the following table. If Keith is willing to pay a unit price of $30.00, determine the total, including the purchase, carrying and ordering, cost. 60900.00 61100.00 60848.53 60898.51 None of the above The same scenario will be used for questions 1-10. Keith Shoe Stores camies a basic black dress shoe for men that sells at an annual demand of 2000 pairs. Keith's current buying policy is The annual carrying cost for each pair over a one year period is 20% of the price of a pair that Kelth pays. At the order quantity of 500 pat olfer. Other quantly discounts offered by the supplier are given in the following table. If Keith is wiling to pay a unit price of $30.00, determine the actual order quantity if it takes the advantage of the quantity discounts. 146 141 200 199 None of the above QUESTION 6 The same scenario will be used for questions 1-10. Keith Shoe Stores carries a basic black dress shoe for men that sells at an annual demand of 2000 pairs. Keith's current buying policy is The annual carrying cost for each pair over a one year period is 20% of the price of a pair that Keith pays. At the order quantity of 500 pa offer. Other quantity discounts offered by the supplier are given in the following table. If Keith is willing to pay a unit price of $28.00, determine the actual order quantity if it takes the advantage of the quantity discounts. 146 141 200 199 None of the above The same scenarlo will be used for questions 1-10. Koith Shoe Stores carries a basie black dress shoe for men that selis at an annual demand of 2000 pairs. Keith's current buying The annual carrying cost for each pair over a one year period is 20% of the price of a pair that Keith pays. At the order quantity c offer. Other quantify discounts offered by the supplier are given in the following table. If Keith is willing to pay a unit price of $28.00, determine the economic order quantity (EOQ) 146 141 137 199 None of the above QUESTION 4 The same scenario will be used for questions 1-10. Keith Shoe Stores carries a basic black dress shoe for men that sells at an annual demand of 2000 pairs. Keith's current buying p The annual carrying cost for each pair over a one year period is 20% of the price of a pair that Keith pays. At the order quantity of offer. Other quantity discounts offered by the supplier are given in the following table. If Keith is willing to pay a unit price of $32.00, determine the actual order quantity if it takes the advantage of the quantity disco. 146 141 200 199 None of the above