Suppose john and wayne are the only two demanders of cowboy movies. each month, john buys six cowboy movies when the price is $10 each, and he buys four cowboy movies when the price is $15 each. each month, wayne buys four cowboy movies when the price is $10 each, and he buys two cowboy movies when the price is $15 each. which of the following points is on the market demand curve?
a.) quantity demanded = 2; price = $15
b.) quantity demanded = 4; price = $25
c.) quantity demanded = 10; price = $10
d.) quantity demanded = 16; price = $25