Shamrock Co. has the following quantity discount policy with its supplier. Exercise 16.20 Exercise 16.22 Exercise 16.24 Review Score Review Results by Study Objective Quantity Price per Unit 1-499 units $14.00 500-999 units $13.80 1,000-1,999 units $13.20 2,000 units + $12.30 The economic order quantity is 610 units and the annual usage is 12,685 units. The ordering cost (K) is $22 per order and the carrying cost of inventory (H) is $1.50 per unit. Determine the most cost effective order quantity. (Round answers to 2 decimal places, e.g. 125.74.) The most cost effective order quantity is Total Cost