Find the minimum and maximum values of z = 3x + y (if possible) for the following set of constraints. 2x + y = 20 10x + y 2 36 2x + 5y 2 36 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The minimum value is OB. There is no minimum value. Click to select and enter your answer(s) and then click Check