Min z = 4x + 2y ST the following requirements: A (units/day) 4x + 1y 32 B (units/day) 1x + 2y 20 C (units/day) 1x + 3y 24 x, y 0 Change the objective function to the following. What are the slopes of the following objective functions? Determine the solution graphically or with the number line from your notes before solving on the computer. Solve in R and report the results (remember to include the value of z with the solution). a. Min z = 4x + y b. Min z = 3x + 1y c. Min z = 2x + 3y