Barkley Company sells two​ products, red cups and black mugs. Barkley predicts that it will sell 2 comma 100 red cups and 700 black mugs in the next period. The unit contribution margins for red cups and black mugs are $ 2.90 and $ 3.00​, respectively. What is the weighted average unit contribution​ margin? (Round the final answer to the nearest​ cent.)