An auto manufacturing company wanted to investigate how the price of one of its car models depreciates with age. The research department at the company took a sample of eight cars of this model and collected the following information on the ages (in years) and prices (in hundreds of dollars) of these cars. Age77342327 Price 28 31 67 60 71 73 84 30 Find the regression line equation in the form 3': = a + bx. Use \"Age" as the independent variable and "Price" as the dependent variable. Round your answers to four decimal places. 9:\" H\" )x Predict the price of a 4 year-old car of this model. Round your answer to one decimal place