4) Assume that the total cost of a college education will be $75,000 when your child enters college in 18 years. You presently have $7,000 to invest. What rate of interest you must earn on your investment to cover the $75,000 cost of you child's college education? You just won the lottery and want to put some money away for your child's college education. College will cost a total $65,000in 18 years. You can earn 8% compounded annually. How much do you need to invest today? 5) 6) At the end of each year for the next ten years you will receive cash flows of s50 after making an initial investment of $321 today. What rate of return are you expecting from this investment