Both California (denoted C) and Arizona (denoted A) residents like to consume Siracha Hot Sauce, which is made in Los Angeles, California. The two groups demand curves for bottles of Siracha are P =120-6qA P =120-3qC
(a) Find the market demand curve for Siracha, assuming Arizona and California are the entire market. Carefully graph this demand curve, labeling the intercepts.