StubHub's Pricing Formula Is to

StubHub's pricing formula is to

A) charge an escalating commission percentage based on the value of the ticket sold.
B) deduct a flat fee of $25 for every ticket sold regardless of its value.
C) charge a commission to both buyers and sellers of the tickets sold on its website.
D) include special surcharges for enabling prospective buyers to view, in 3D 360° streaming video on its YouTube channel, the seats at stadiums, concert halls, and other venues for the events they are interested in.
E) deduct the sales tax from the purchase of tickets based on the states where such taxes must be collected and forwarded.