An entry-level researcher is assigned by the senior team leader to build a multiple regression model with the goal of predicting the price of a household's primary vehicle. The research suspects that one's household income ("income") has a positive impact on the primary vehicle's price ("car"). In addition, the researcher also expects that the respondent's retirement status ("retired") has a significant impact on the primary vehicle's price. Run a multiple regression analysis to explain the impact of income and retirement status on the price of the primary vehicle