higher. It will be several years before a retirement annuity as high as $250 can be achieved, and 9 years before as much as $300 will be payable. By 1977, 30 years of service could result in an annuity as high as $263.40, compared with the potential maximum of $326.00 shown in table 4 but not payable before 1996. Similarly, the highest amount available at, the beginning of 1977 for 40 years of ...