Pepper Motors$$wants to understand the decision$-$making process for purchasing family automobiles. The marketing researcher has been asked to design a sampling plan to gather relevant data. Which of the following sampling units is most appropriate for this research objective?Question $21$ options: a$)$ Dealership salespeople only. b$)$ All family members involved in the decision$-$making process. c$)$ A random selection of individuals from the general population. d$)$ Only the husband in the family. e$)$ Only the wife in the family.