Deep Woods Coal Mines owns a shallow mine which is currently sitting idle. The property, which includes the mine, was originally purchased for $18.5 million. The property was valued at $6.8 million when mining ceased and is currently valued at $7.1 million. If the company would spend $329,000, they could convert this unused mine into an underground storage facility for campers, vehicles, and boats. The company estimates that storage fees of $280,000 can be generated per year which would net the firm an annual net income of $163,001. What is the opportunity cost associated with the storage facility project? (Answer in millions)