The purchasing manager for Medco Research Laboratory orders letterhead forms and stationery from an office products firm in boxes of 500 sheets. The company uses 5,000 boxes per year. The supplier sells the box to the research lab for $13 dollars per box. The annual holding cost factor is 35%, and ordering costs are $34. The following all units discount price schedule is provided by the office supply company: Question 9 (1 point) What is the lowest total cost if you order 5000+ units? (Enter your response as the nearest whole number) A Question 10 (1 point) To achieve the lowest total cost, how many units they should order? valid EOQ 1000 2999 3000 4999 5000 cannot be determined