Min s.t. Boston x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11,x12=0,1 (b) Solve the linear program formulated in part (a). How many service facilities are required? Where should they be located? (Select all that apply.) Boston New York Philadelphia Baltimore Washington Richmond Raleigh Florence Savannah Jacksonville Tampa Miami (c) Suppose that each service facility can only provide service to regional offices within 300 miles. How many service facilities are required? Where should they be located? (Select all that apply.) ] Boston New York Philadelphia Baltimore Washington Richmond Raleigh Florence Savannah