A film costs three times its "production costs" to break even because of marketing costs.
I think your estimate of marketing costs is high. Even the successful movies do not generally have a total gross more than twice production costs. If your statement was true, Hollywood would have gone bust long ago.
. One rule of thumb is that the film should make its production costs in the first two weeks if it's going to be profitable. Butler has done more than that.
However much you want to believe that it's going to lose money, that won't happen. It's going to end up in the black, particularly after international gross is factored in.
It won't increase Oprah's fortune significantly, but it won't cost her.