Use the simplex method and the Duality Principle to solve the following minimum problem Minimize Subject to the constraints 1 3x2 10 2x1 2x2 28 x1 0 x 0 and using your final tableau answer the questions below by entering the correct answer in each blank box Please enter fractions as 3 5 4 7 and so on x1 x2 C 3x1 4x2 II