In 2009, an agricultural company introduced a new cropping process which reduced the cost of growing some of its crops. If sales in 2008 and 2009 were steady at $30 million, but the gross margin increased from 2.9% to 3.2% between those years, by what amount ($) was the cost of sales reduced

Assume the total cost of a college education will be $250,000 when your child enters college in 17 years. you presently have $69,000 to invest. what annual rate of interest must you earn on your investment to cover the cost of your child’s college education? (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.)