Refer to Figure 9.1. If the government establishes a price ceiling of $20, how many widgets will be sold?

In the United States over the last 50 years,

A) the labor force participation rate for women has increased to match that for women in other developed countries. B) the labor force participation rate for women has increased to near 60 percent. C) the change in men's labor force participation rate explains the behavior of the unemployment rate. D) both women's and men's labor force participation rates have increased due to technology. E) women's earning power has remained fairly constant.

How did McDonalds address the obesity issue in China?

What will be an ideal response?