E-Commerce The following chart shows second quarter total retail e-commerc...

E-Commerce The following chart shows second quarter total retail e-commerce sales in the U.S. in 2000, 2005, and 2010 (t = 0 represents 2000):

Find the regression line (round coefficients to one decimal place) and use it to estimate second quarter retail e-commerce sales in 2006. (The actual figure was approximately $25 billion.)