6. The graph shown here displays the estimated value of my house (top) and the average for all houses in my town (bottom) for the period from mid-2005 to April 1, 2010. The marks on the graph occur on April I of each year. $300k $280k $260k $240k E $220k $200k S180k S160k E $140k $120k 2006 2007 2008 2009 2010 Find the percent decrease in the value of my house from April 1, 2006, to April 1, 2010. Then find the percent decrease in the average price of all houses in my town over the same period. Use S120,000 as the average for April 1, 2010. Round the answers to the nearest tenth of a percent, if necessary. 10