PricewaterhouseCoopers, the accounting firm that tallies the Oscars, issued an apology on Sunday night in regard to the flub,
and explained how something like this could have happened. "We sincerely apologize to Moonlight, La La Land
, Warren Beatty, Faye Dunaway, and Oscar viewers for the error that was made during the award announcement for Best Picture," read a statement from PricewaterhouseCoopers. "The presenters had mistakenly been given the wrong category envelope and when discovered, was immediately corrected."