= Go to the Federal Housing Finance Board’s Web site at www.fhfb.gov and find the most recent data on the percentage of conventional single-family mortgages with adjustable rates using the following steps. Under “Monthly Interest Rates” click on “View Summary Tables.” Click on “Monthly, All Homes, 1973–20xx.” This downloads a file onto your computer that contains the relevant data. How has this data changed since 2006?