John, a fully insured worker, is considering taking his Social Security retirement benefits at age 63 and 0 months. His full retirement age is age65and 6 months. If John begins taking retirement benefits at full retirement age, his monthly retirement benefits will be $1.000. What will John's monthly retirement benefits reduce to if he begins taking them at age 63 and 0 months? a. $750.00 b. $833.33. c. $875.00. d. $900.00 $933.33 e