Trillium, Inc. reports the following information for April: Alpha Beta Units sold 4000 units 700 units Sales price per unit $300 $700 Variable manufacturing cost per unit 200 500 Sales commission per unit: Alpha: 4% of sales price 12 Beta: 8% of sales price 56 What is the contribution margin ratio of Beta? (Round your answer to two decimal places.) 28.57% O 33.33% 20.57% 8.00%