Solve the following problem using Solver. Identify the solution and the objective function. Which constraints have slacks? Objective function 6 X1 + 4X2 + 10 X3 Constraints: 6 X1 + 2.5 X2 + 5 X3 LE 1200 5 X1 + 2 X2 +4 X3 LE 900 4 X1 + 2 X2 + X3 LE 1400 Both X1 and X2 are non-negative. (LE stands for less than or equal to)