A company has two stores. Store A's daily profit (in hundreds of dollars) versus number of customers is: $\hat{y}_A = 0.15x + 8$. Store B's equation is $\hat{y}_B = 0.15x + 12$. Which statements are true? (i) The regression lines are parallel; (ii) Store B has higher baseline profit; (iii) Both stores have the same profit rate per customer.