The graph shows a region of feasible solutions. Use this region to find maximum and minimum values of the objective function. 10- z = 7x+By Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The maximum value is OB. The maximum value does not exist. ac 0 0 10 The coordinates of the corner points are (2.2), (5,9). (8.7), and (9.4), Select the correct choice below and, if necessary, fill in the answer box to complete your choice. ht O A. The minimum value is B. The minimum value does not exist lete