Which were the core $[2]$ problems the Director of Operations had when dealing with his approach to managing inventory with ABC?Select the $[2\}$ that apply from the list belowa.The company managed many inventory items which made the situation difficult to manageb.The items that the company purchased had very long lead timesc.He had learned, but did not understand how to implement the ABC modeld.He had only worked at this company for $11/2$ months so he did not have all of the required information; that is why he required help.e$.$He dedicated all of his attention to the A items because the C items are less important