3. If the company adds another shift, how many units of Product G and Product B should it produce? How much total contribution margin would this mix produce each month? Product G Product B Total Hours dedicated to the production of each product Units produced for most profitable sales mix Contribution margin per unit Total contribution margin two shifts 4. Suppose that the company determines that it can increase Product G's maximum sales to 700 units per month by spending $12,500 per month in marketing efforts. Should the company pursue this strategy and the double shift? Product G Product B Total Hours dedicated to the production of each product Units produced for most profitable sales mix Contribution margin per unit Total contribution margin - two shifts and marketing campaign