Flint Inc. uses 81 kilograms of material X per year. Material X costs $35.00 per kilogram. It costs $ 1.90 to place an order and $ 3.80 per kilogram to store material X. Currently, Flint is ordering material X in 13-kilogram batches. Is this the most economical order size? If not, what is the economic order quantity? How much will Flint save by using the EOQ? (Round answers to 2 decimal places, e.g. 125.74.) Economic order quantity kilo grams Flint will save $ per year