Lemminburg Plastics estimates a 60% probability that sales of pink flamingo lawn ornaments in the summer of 2011 will be 45,000 units, about the same as in 2010. They believe there is a 20% probability that they will go viral and potential sales would be 90,000. There is also a 20% probability that restrictive zoning ordinances will limit sales to 30,000 units. Expected unit sales of the pink flamingos are
A) 55,000.
B) 51,000.
C) 67,500.
D) 60,000.