Answer to this week's riddle

Travis Hale

Again, the riddle:  

What is McDonald's second most lucrative market (to the U.S.)?

Answer:  France

Source: http://knowledge.wharton.upenn.edu/articlepdf/2906.pdf?CFID=75576446&CFTOKEN=69933641&jsessionid=a830b5d4e860f10024464b3e1f2951377d53