An investor buys a property for $612,000 with a 25-year mortgage and monthly payments at 8.8% APR. After 18 months the investor resells the property for $673,326. How much cash will the investor have made from the sale, once the mortgage is paid off?

A.$ 144 comma 284

$144,284

B.$ 72 comma 142

$72,142

C.$ 57 comma 714

$57,714

D.$ 100 comma 999