You have been given supply and demand data in tons, as well as a network diagram. The transport costs are listed in ($)/() per ton. Based on this information, what is the best option for meeting the demand?
A) Option 1: Supply from S1 to D1 B) Option 2: Supply from S1 to D2 C) Option 3: Supply from S1 to D3 D) Option 4: Supply from S1 to D4