<PRE>
     TABLE II.F18.--COMPONENTS OF SUMMARIZED INCOME RATES AND COST RATES
           BY TRUST FUND AND ALTERNATIVE, CALENDAR YEARS 1995-2069
                    [As a percentage of taxable payroll]
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                           Income rate                      Cost rate
              ------------------------------------  ---------------------------
                                   Begin-
                        Taxation     ning                       Ending
 Valuation      Payroll       of     fund           Disburse-     fund
  period            tax benefits  balance    Total      ments   target    Total
-------------------------------------------------------------------------------
OASI:
 Intermediate:
  1995-2019...    10.60     0.27     0.72    11.59      10.48     0.45    10.93
  1995-2044...    10.60      .43      .41    11.43      12.29      .23    12.52
  1995-2069...    10.59      .52      .31    11.43      13.15      .14    13.29
 Low Cost:
  1995-2019...    10.60      .24      .68    11.52       9.46      .39     9.86
  1995-2044...    10.59      .36      .39    11.34      10.65      .19    10.83
  1995-2069...    10.59      .41      .29    11.30      10.90      .11    11.00
 High Cost:
  1995-2019...    10.60      .31      .74    11.66      11.57      .52    12.08
  1995-2044...    10.59      .52      .42    11.54      14.19      .30    14.49
  1995-2069...    10.59      .67      .32    11.59      16.06      .20    16.27
DI:
 Intermediate:
  1995-2019...     1.79      .02      .04     1.85       1.90      .08     1.98
  1995-2044...     1.80      .03      .02     1.84       2.05      .04     2.08
  1995-2069...     1.80      .03      .02     1.84       2.13      .02     2.15
 Low Cost:
  1995-2019...     1.79      .01      .04     1.85       1.53      .06     1.59
  1995-2044...     1.80      .02      .02     1.84       1.56      .03     1.58
  1995-2069...     1.80      .02      .02     1.83       1.57      .01     1.58
 High Cost:
  1995-2019...     1.79      .02      .04     1.86       2.34      .10     2.44
  1995-2044...     1.80      .03      .02     1.85       2.63      .05     2.68
  1995-2069...     1.80      .04      .02     1.86       2.82      .03     2.85
OASDI:
 Intermediate:
  1995-2019...    12.39      .29      .76    13.44      12.38      .53    12.91
  1995-2044...    12.39      .45      .43    13.28      14.34      .27    14.61
  1995-2069...    12.39      .55      .33    13.27      15.28      .16    15.44
 Low Cost:
  1995-2019...    12.39      .25      .72    13.37      10.99      .45    11.44
  1995-2044...    12.39      .37      .41    13.17      12.21      .21    12.42
  1995-2069...    12.39      .44      .30    13.13      12.47      .12    12.59
 High Cost:
  1995-2019...    12.39      .34      .78    13.51      13.91      .62    14.53
  1995-2044...    12.39      .56      .45    13.39      16.81      .35    17.16
  1995-2069...    12.39      .71      .34    13.44      18.88      .23    19.11
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Note: Totals do not necessarily equal the sums of rounded components.