There Are a Lot of Skateboards on the Market, but the BMW

There are a lot of skateboards on the market, but the BMW Streetcarver is the only one with stabilizers and wheel design based on BMW's automobiles. This technology gives the BMW Streetcarver better control at high speeds and around sharp turns than any other brand. The skateboard is priced at $495, which leaves many consumers who might want to buy the Streetcarver (especially young males) unable to afford it. This inability to pay for the high-priced BMW-made skateboard shows the affect of __________ on sales.

A) demand factors
B) macroeconomic environmental factors
C) barter factors
D) supply factors
E) exchange parameters