George has a major medical policy with a $250 deductible, 80% coinsurance, and a $4,000 cap on his total out-of-pocket cost (excluding the deductible). George had bills of $200 for visits in the first part of the year and then had bills of $3,750 for a prolonged illness near the end of the year. What amount of medical expenses will he need to pay for the year?

A.$1,050

B.$250

C.$990

D.$790