Feromax Enterpnses uses a continuous feview inventory control system for cne of its SKUs. The folowing information is avalable on the ilem. The firm operates 48 wenks in a year. Refor to the standard normal table for 2 -values: Domand =91,000 unitsyear - Ordening cost =$38.50/ order * Holiting cost =$3.00/univy ear - Average lead time =9 weeks > Standard devation of woekly demand =280 units a. The economic order quanty for this nem is units (Enter your responso rounded to the nearest unde number) b. It Petromax wants to provide at 90% service level, the satesy stock is units (enter your response rounded to the nearest wholo numbed)