Bob just turned 66 years old and is considering retirement. His average annual salary over the last 35 years is $50,760. Assuming that he will receive 42% of his average annual salary, what will be his annual Social Security benefit? a. $2,131.92 b. $21,319.20 c. $213,192.00 d. $2,131,920.00 Please select the best answer from the choices provided