A used-car dealer kept records of the selling price of his used cars in 2005. The scatterplot shows the average selling price of his used cars based on the age of the used car. Using the graph, which is the closest to the selling price of an 8-year-old car? 2 4 6 8 10 Age of Car (years) $7500 $5000 $2500 $500 DELL​