Both McMaster-Carr and W.W. Grainger sell maintenance, repair, and operations (MRO) products. Both companies have catalogs and web pages through which orders can be places. McMaster-Carr ships almost all its orders (although a few customers near its DC do pick up their own orders) from its five warehouses in the United States. W.W. Grainger sells products from more than 350 retail locations, supported by several warehouses. Discuss the pros and cons of the two distribution network strategies