The owner of Maumee Ford-Mercury-Volvo wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at the dealership during the last year.Car Age (years) Selling Price ($000) Car Age (years) Selling Price ($000)1 13 11.1 7 11 9.42 9 9.4 8 16 8.23 15 4.0 9 14 8.24 18 4.8 10 18 4.45 11 5.2 11 8 10.86 9 12.6 12 8 9.2(a) Determine the regression equation. (Round your answers to 3 decimal places. Negative values should be indicated by a minus sign.) a = b =(b) Estimate the selling price of a 7-year-old car (in $000). (Round your answer to 3 decimal places.) Selling price(c) Interpret the regression equation (in dollars). (Round your answer to nearest dollar amount.) For each additional year, the car decreases $ in value.