Gaston Company is a merchandising firm. Next month, the company expects to sell 800 units. The following data describe the company's revenue and cost structure 340 5 Selling price per unit Sales commission Purchase price cost per unit Advertising expense Administrative expense 54,000 per month $4,500 per month plus 15% osales Assume that att activity mentioned in this problem is within the relevant range What is the expected grous margin next mone Mutiple Choice 400 310200 1600 O 1.400