A movie box office 1 100 million, with a cost of 30 million, including publicity expenses;

Yes The production cost of a film mainly includes three aspects: shooting (script, actors, venue, props, etc. ), post-production (editing, special effects, etc. ) and marketing (public relations, publicity and other expenses). Generally speaking, few producers will disclose the full cost of the film, on the one hand, because of trade secrets, on the other hand, it is also related to the difficulty in fully counting the cost. After all, in addition to the relatively controllable shooting and post-production costs, there are uncontrollable costs like marketing and publicity. For example, the production cost of The Avengers I announced by Marvel Comics is $220 million. However, because there was no big IP at that time, the company spent a lot of money on marketing (about 654.38 billion US dollars).