B only please

Question 9 ( 3 points). You want to buy a house that is worth $500,000 ten years from now. To do that, you start your investment today. a. Suppose you can earn a 12% rate of return per year in ten years. How much do you have to invest today to achieve your target? (1 point) 3 b. Suppose you can earn a 10% rate of return pear year in the first five years and a 15% rate of return pear year in the remaining years. How much do you have to invest today to achieve your target? (2 points)