Suppose Oriole Company sells hand tatted lace for $20 per yard. Her materials cost $6 per yard and labor costs her $8 per yard. She also estimates her fixed cost to be $66 per month. If she sells 3,600 yards of lace during the month, what is her contribution margin ratio? (Round ratio to 2 percentage places, e.g. 0.38 = 38%) Contribution Margin Ratio