The demand for Shiner beer is estimated by the equation QdShiner = 10,000 − 400PShiner + 500PSt.Arnold + 0.5M + AShiner. What is the demand curve for Shiner beer?
a) 36,200
b) 41,000
c) 36,200 − 400PShiner
d) 41,000 − 400PShiner