The following information pertains to Dallas Charming Company's three products DE E 900 1,400 800 Unit sales per month $6.00 SI125 $ 750 Selling price per unit Variable costs per unit 780 3.00 Unit contnbution margin S(0.30) $3.00 Assume that product F is discontinued and the space used to produce product F is rented for $360 per month. Monthly profits will increase by $840 increase by 8360 decrease by $5,000 increase by $600