Use the Rule of 70 to calculate the growth rate that leads to a doubling of real GDP per person in 20 years. E> The Rule of 70 states that the number of years it takes for the level of any variable to is approximately O A. double; 70 multiplied by the annual percentage growth rate of the variable 0 B. increase by a factor of 70; 70 divided by the annual percentage growth rate of the variable 0 C. double; 70 divided by the annual percentage growth rate of the variable 0 D. increase by a factor of 70; 1/70 multiplied by the annual percentage growth rate of the variable If real GDP per person doubles in 20 years, then the annual growth rate of real GDP per person is percent a year. 0 A. 28.5 0 B. 14.3 0 c. 3.5 O D. 14.0 How do households make saving decisions? E> The , the greater is the amount that a household decides to save. 0 A. smaller a household's expected future income and the greater a household's wealth O B. greater a household's disposable income and the smaller a household's expected future income 0 6. higher the expected prot and the greater a household's disposable income 0 D. smaller the default risk and the greater a household's wealth