Blizzard Asks: How Much Would You Pay For A Level 90?

After a screenshot of a survey from Blizzard circulated around the web, speculations and interesting topics have occurred about this particular question asked by Blizzard:

As previously announced, the purchase of Warlords of Draenor will come with a free character upgrade to level 90. In your opinion, what would be the fair dollar value for just the character upgrade to level 90 (of any new or existing character)?

Over the years, World of Warcraft has pushed the level cap 30 levels and tweaked the leveling system so that players could achieve these new levels more efficiently. Blizzard’s obvious concern is for drawing in more players with their new free-to-play market by possibly offering to purchase a maxed out character. Interesting marketing strategy for Blizzard to basically hint to fans that there’s a potential service to upgrade some characters straight away.

The question at this point is this: how much would you pay for a level 90 character?