Current Attempt in Progress Blossom Bucket Co., a manufacturer of rain barrels, had the following data for 2019. Sales Sales price Variable costs Fixed costs 2,000 units $30 per unit $18 per unit $11,520 (a) x Your answer is incorrect. 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: $