### Estimate of Investment Earnings

Joe is being audited by the IRS and must provide an estimate for his investment earnings over the next four years. After a thorough search, Joe can only find the following records. Show how Joe can provide a reasonable estimate for 2007 - 2010. Year Earnings 1997 $2,000 1998 $3,000 2000 $10,000 2003 $12,00