NEW YORK (CNNMoney.com) -- If you haven't bought a spot for your Super Bowl ad, then you're too late.
It took the company several weeks to nail down the last few spots. CBS reported on Jan. 7 that it was 95% sold out.
A 30-second spot sold for up to $3 million apiece, according to CBS. Super Bowl advertisers get charged a premium because so many people watch the game. Last year was a record high for viewer volume, according to The Nielsen Company, with 98.7 million tuning in.
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