A chassis maintenance firm buys welding rods using an EOQ of 500 rods. The annual demand is 7500 rods. What is the average inventory of rods? 250 24.33 O 15 3750 Question 26 (2.5 points) Annual demand for motor oil at a truck maintenance facility is 3200 gallons. The cost to hold a gallon of oil for a year is $90 and the cost to place an order for oil is $810. How many gallons of motor oil should be ordered at a time if using the EOQ? As close to 25.3 as possible 267 240 180