Big Co., a construction company, builds a grocery store. The contract calls for a final price of $5 million. Big Co. incurred $4.5 million in costs and stands to make a profit of $500,000. On a final inspection, the grocery store owner is upset. His blueprints called for 24 skylights, but the finished building has only 12. Installing the additional skylights would cost $100,000. Big Co. made no other errors. How much must the grocery store owner pay Big Co.?.