I would decrease the level of stock holding from 8 weeks to 4 weeks, and place orders more frequently.
The transportation cost to deliver to the EL customers would be less than the cost to run an entire warehouse and separate fleet. If SGC makes five stops to the EL customers instead of just one stop at the EL depot, the cost for the driver and the fixed cost for the vehicle would not change, the only additional cost will be maintenance and fuel. Potential saving in a warehouse and