Analyze the following situation to determine if the individual is eligible for the Social Security benefit specified. Assume the worker earned in excess of any minimum dollar amount required to accumulate quarters of coverage during the entire working period. Read the queston carefully. Dr. Ian Tumbach, a dentist, practiced dentistry in a general partnership for 15 years prior to his retirement this year at age 55 . Is he eligible for Social Security retirement benefits this year? Yes, he should have the full number of credits to enable him to draw retirement benefits this year No, he is not eligible for benefits as a sole proprietor Yes, he is eligible for 100% of his Primary Insurance Amount (PIA) this year No, not untli at least age 62