Pauley Company provides home health care. Pauley charges $35 per hour for the professional care. The variable costs are $21 per hour and the fixed costs are $78,000 Next year, Pauley expects to charge out 12,000 hours of the home health care. What is the contribution margin ratio? On. 50% . 40% Oc. 67% Od. 60% Oe. 33%