Answer the following two questions. Question 1: Explain the rule of 70? Question 2: Consider that you invest in a USA savings bond that pays the following interests on your investment. Calculate how many years it will take for your investment to double. Your investment is growing at 5%, and it will double in ----------- years. Your investment is growing at 8%. It will double in ----------- years. Your investment is growing at 12%. It will double in ----------- years