answer both please!! thanks

Question 11 1 pts The next two questions will use this problem description and quantity discount table Centi-Pede, a distributor of construction equipment, wants to reduce a large stock of tractors. It has offered a local chain of hardware stores a quantity discount pricing schedule, as follows: Order Size 49 tractors or less Price per unit $52,000 $50,000 $49,000 50-70 tractors 71 tractors or more The annual carrying cost per unit is $4900. The annual demand is 200 units. The cost per order is $4500. Use the basic EOQ model to calculate the optimal order quantity, Round to the nearest whole number. Ignore quantity discounts for this question only. 71 tractors 70 tractors O 31 tractors 49 tractors 50 tractors 19 tractors 3 pts Question 12 This questions uses the same problem description and quantity discount table from the previous question (copied below). Centi-Pede, a distributor of construction equipment, wants to reduce a large stock of tractors. It has offered a local chain of hardware stores a quantity discount pricing schedule, as follows: Order Size Price per unit 49 tractors or less $52,000 50-70 tractors $50,000 $49,000 71 tractors or more The annual carrying cost per unit is $4900. The annual demand is 200 units. The cost per order is $4500. What order quantity will lead to the lowest overall cost? Round to the nearest whole number. 70 tractors 49 tractors O 19 tractors 50 tractors O 31 tractors 71 tractors