Hiral is 62 years old, and his normal Social Security retirement age is 67. He plans on waiting to collect his benefits until he is 70 years old. If he waits until age 70, and his normal age retirement PIA is $2,000, how much can Hiral expect to receive as a monthly retirement benefit at age 70 (without regard to any COLA)? a. $1,420. b. $2,000. c. $2,480. d. $2,519.