The roof of Norms home is damaged in a thunderstorm. He has $318,513 insurance limit with replacement cost coverage on his homeowners' policy. The current cost to replace the roof is $18,434. At the time of the damage, the roof is 6 years old with an expected life of 19 years. The flat deductible is $500 and the named storm deductible is 2%. Assuming he has met the coinsurance clause, how much will the insurer pay for his roof? Calculate to two decimal points