Qp = 500 - 100*Pp + 1.25*A - 20*Ps + 2*I
Pp = $1.00
A = $200
Ps = $1.00
I = $12000
a) Calculate the coefficients for price, advertising, income and cross-price with soda pop.
b) If the current company cost for a bag of popcorn is $0.45, including cost of corn, cost to pop it and the bag, is this the profit maximizing price?