Ann Chovie is the manager of Checkers Pizza. She collected the following data as shown in the chart below. Q = number of pizzas sold P = price of a Checkers pizza M = average annual household income in Westbury PAl = price of a at Al's Pizza Oven PBMac = price of a Big Mac at McDonald's The current values of the input variables are as follows: P = $9.05; M = $26,614; PAl = $10.12; PBMac = $1.15 She wants to use OLS to estimate a linear demand curve of the following form: Q = a b P c M d PAl e PBMac