$($a$)$ Draw dose$-$response curves $($place on same plot$)$ for a series of three compounds with the following properties: $($data from the photo$)$Draw dose$-$response curves $($place on same plot$)$for a series of three compounds with the followingproperties:$($b$)$ Which two $($out of the three$)$ would be the best lead compounds? Why?$($c$)$ Describe the differences between the affinities and efficacies of the two compounds you selected in $$$$