A simplex matrix is given. 10+ 0 14 5 0 1 0 8 12 12 0 0 2 4 1 22 The solution is complete, so identify the maximum value of f. f = Identify a set of values of the variables that gives this maximum value. If multiple solutions may exist, indicate this by entering MULTIPLE in each answer blank. x = y = Locate the next pivot. (If no further row operations are necessary, enter DNE.) row number of next pivot column number of next pivot next pivot number ---Select---▼ ---Select---▼