What is the source of comparative advantage in the Heckscher-Ohlin model?

From the end of the World War II, the debt-GDP ratio in the United States fell almost without interruption to a low point in ________, which marked the beginning of a long-run climb

A) 1955 B) 1962 C) 1974 D) 1984 E) 1990

Susan put $375 into an account and one year later had $405 . What interest rate was paid on Susan's deposit?

a. 5 percent b. 7 percent c. 8 percent d. 10 percent