​You own two different energy drink brands: "Blue Cow" and "600 minute energy." If you reduce the price on "Blue Cow",sales of "600 minute energy" would

A) ​Increase
B) Decrease
C) Not change
D) ​None of the above

If the price of "Blue Cow" is reduced, customers may switch from "600 minute energy" to "Blue Cow" due to the lower price, resulting in a decrease in sales of "600 minute energy." Therefore, the best choice is B, which indicates that sales of "600 minute energy" would decrease.