please solve this with in 45 mints please solve full

5. Using the values from the 20000 untis productlon determine the following: A. Selling price per unit is: B)- Variable cost per unit is: C). Contribution per unit is: PART II 1)- If production level is 20000 units, which plant should be used to maximize profit. Show approximate profit from each Plant B Plant A 2)- Under what production level, the Mexican plant should be used for production of the item