If the company wishes to increase its total dollar contribution margin by 30% in 2020, by how much will it need to increase its sales if selling price per unit, variable price per unit and total fixed costs remain constant? Total increase in sales required: Click if you would like to show Work for this question: Open Show Work If the company wishes to increase its total dollar contribution margin by 30% in 2020, by how much will it need to increase its sales if selling price per unit, variable price per unit and total fixed costs remain constant? Total increase in sales required: Click if you would like to show Work for this question: Open Show Work