Problem 3 (a) Use the graphical method to find the optimal solution of the problem below. (b) Repeat part (a) using the simplex method. (c) Verify the solutions of (a) & (b) using Excel solver. A company that operates 10 hrs a day manufactures two products on three sequential processes. The following table summarizes the data of the problem: Minutes per unit Process 2 Product Process 1 Process 3 Unit profit 1 2 10 5 6 20 8 10 $20 $30 Determine the optimal mix of the two products