A Marketing Manger has 4 subordinates and 4 tasks. The subordinates differ in efficiency. The tasks also differ in their intrinsic difficulty. His estimates of the time each subordinates would take to perform each task is given in the matrix below. How should the task be allocated one to one man so that the total man-hours are minimized? 1 II IV 1 34 16 26 52 56 38 8 Nm 22 52 30 76 36 4 38 52 48 20