What is the optimal solution to the Mantastic problem?Mantastic Devices designs and manufactures high$-$end support garments for men. The facilities in Manhattan and Atlanta serve as design and component manufacturing facilities. Components are then shipped to warehouses in Philadelphia or Knoxville, where they are held until final assembly is completed at either Memphis, New Orleans, or El Paso.

Manufacturing capacity in Manhattan and Atlanta is $900$ units. Demand at Memphis, New Orleans, and El Paso is $450,500,$ and $610,$ respectively.

The network representing the shipping routes is shown below.

A$)$ $$30,028$

B$)$ $$30,820$

C$)$ $$32,280$

D$)$ $$32,820$