Sheffield Co., a manufacturer of rain barrels, had the following data for 2016. Sales 5,000 units Sales price $130 per unit Variable costs $ 52 per unit Fixed costs $347,100 If the company wishes to increase its total dollar contribution margin by 30% in 2017, by how much will it need to increase its sales if all other factors remain constant? (Round answer to O decimal places, e.g. 2,520.) Total increase in sales required: $ 130000