16. For the cash flow shown below, determine the value of G that will make the future worth in year 4 equal to $6,000 at an interest rate of 15% per year. End of Year Cash Flow 0 0 1 2 3 4 $200 $200+G $200+2G $200+3G 17. A civil engineer planning her retirement will deposit 10% of her salary each year into a high-technology stock fund. If her salary this year is $50,000 and she expects her salary to increase by 4% each year, how much will she have in the fund after 15 years assuming the fund earns 12% per year? 18. What is the minimum number of year-end deposits that have to be made before the total value of the deposits is at least ten times greater than the value of a single year-end deposit if the interest rate is 12.5%