Question 6. (21 points) For a specific item, annual demand is 600 units, cost of ordering is $20 and annual inventory cost is 30% of the purchasing price. Price drops as you order more as can be seen in the table below. What should be the order quantity that minimizes average annual cost? Please fill the table below. Quantity Price 1 to 49 50 to 249 250 and up $5.00 per unit $4.50 per unit $4.10 per unit Fill the table below: Range 3 Quantity Range Unit Price, P Range 1 1 to 49 $5.00 Range 2 50 to 249 $4.50 250 and up $4.10 Q" Feasible (yeso) Order Quantity Holding cost Setup cost Unit costs Total cost, Tc