Assigned four facilites to four locations when the operation cost (in million$) of facilities are given in the following table. Location Facilities 1 2 3 4 1 90 75 75 80 2 35 85 55 65 3 125 95 90 105 4 45 110 95 115. Suppose that an additional fifth facility will be located at locations with the following costs : 30 80 85 and 55 $ respectively. Is it economical to replace one of the current four facilities with the new one?