Also, the cost is lost potential sales, of which there are undoubtedly at least some.
Another reason for uncertainty is the volume of potential sales.
The hard part, they say, is to find a project that allows two companies to share costs without cutting into each other's potential sales.
This could mean 400,000 potential sales lost each day.
However, yesterday, its share price dropped by 13.5 to 95p on the news of the potential sales.
United States companies have said the ban deprived them of potential annual sales worth $150 million.
Since both sides have promised to release players in the coming year, the studios do not want to lose potential sales.
Find out if your marketing team might be sabotaging potential sales.
And they look at a company's market opportunity - the total potential sales of its specific market.
China understands that it cannot stop all of the potential sales.