Question should be solved manually without the aid of Excel

A Jeddah factory consist of four departments: materials (M), drilling (D), finishing (F), and plating (P) allocated to four work areas. The facility planner has collected the following data for factory regarding its current layout. It costs SR0.50 to meter 1 part 1 meter in the factory. The planner's goal is to obtain a layout that has the lowest material handling cost. Number of trips between departments: M D F P M 0 3 18 1 D 3 0 4 1 F 0 0 0 9 1 1 9 0 Distances Between Work Areas (Departments) in meters for the current layout design. M D F P M 20 12 8 D 10 F 4 Distances Between Work Areas (Departments) in meters for the new layout design. M D F P M 20 8 12 D 10 6 F --- --- 4 --- --- --- 1) Determine cost of the current layout, from the data above 2) From a cost point of view, Should the factory stay with their current layout plan or change to the new one