Petromax Enterprises uses a continuous review inventory control system for one of its SKUs. The following information is available on the item. The firm operates 50 weeks in a year. Refer to the standard normal table for z-values. > Demand =50,000 units/year > Ordering cost =$35/ order > Holding cost =$2/ unit/year > Average lead time =3 weeks > Standard deviation of weekly demand =125 units a. The economic order quantity for this item is units. (Enter your response rounded to the nearest whole number.) The table below shows the batal ares urder the normal curve for a point that is Z standard deviatians to the right of the mesn