Darth Company sells three products. Sales and contribution margin ratios for the three products follow:

Product X Product Y Product Z
Sales in dollars $25,000 $45,000 $105,000
Contribution margin ratio 39% 34% 9%

Given these data, the contribution margin ratio for the company as a whole would be: (Round your intermediate calculations to 2 decimal places. Round your answer to whole percentage.)
20%
37%
27%
it is impossible to determine from the data given.