The Ralston Company manufactures a special line of graphic tubing items. The company estimates it wil sell 91,000 units of this item in 2020. The beginning finished goods inventory contains 36,000 units. The target for each year's ending inventory Is 26,000 units. Each unit requires six feet of plastic tubing. The tubing inventory currently includes 94,000 feet of the required tubing. Materlais on hand are targeted to equal 3 monthi' production. Any shortage in materlals will be made up by the Immediate purchase of materials. Sales take place evenly throughout the year. What are the materlais requirements (in feet) for 2020 ? Multiple Cholce 669,500. 458,500 513,500 614.500