A Swedish company that manufacturers furniture is relooking at the sales of a popular dining set which consists of a table and 6 chairs. The set sells for $1000. To manufacture the set it costs them $25 for each chair, and $50 for the table. Their annual fland costs in rent for their manufacturing plant is $10 000, plus $2500 for machinery. The company decides to sell an additional chair with the set. This will force them to increase their selling price by an additional $100. If all else stays the same. what is their new contribution margin per dining set, rounded to one decimal place? 79.5% 77.5%