Real income and money income are the same concept

From 1970 to 2007 the quantity of M1 fell from 20 percent of GDP to less than 10 percent. This change is because the ownership of credit cards ________ during this time period since ________

A) expanded from 18 percent to 76 percent; credit cards became more widely available and utilized B) expanded from 18 percent to 76 percent; there were several recessions during that period C) fell from 76 percent to 18 percent; credit cards became less widely available and utilized D) remained unchanged; credit cards do not affect the quantity of money E) fell from 76 percent to 18 percent; there were several recessions during that period

Firms that survive in the long run are usually those that

A) become as large as possible. B) remain small. C) use more capital rather than more labor. D) earn the largest possible profit.