Assume that Social Security promises you $48,000 per year starting when you retire 45 years from today (the first $48,000 will get paid 45 years from now). If your discount rate is 6%, compounded annually, and you plan to live for 18 years after retiring (so that you will receive a total of 19 payments including the first one), what is the value today of Social Security's promise?

A: The value today of Social Security's promise is $