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.?