You can't assume that someone who bought a $200 phone would buy the exact same phone for $300 if the $200 option was unavailable (I don't know the exact prices

You can't assume that someone who bought a $200 phone would buy the exact same phone for $300 if the $200 option was unavailable (I don't know the exact prices but the Ars article said that there were price differences of up to $100).