Trustees Reports- 1996

Table II.F18. - Components of Summarized Income Rates and Cost Rates by Trust Fund and Alternative, Calendar Years 1996-2070
[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
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OASI:
 Intermediate:
  1996-2020...    10.61     0.31     0.74    11.67      10.68     0.47    11.15
  1996-2045...    10.61      .47      .42    11.49      12.38      .23    12.61
  1996-2070...    10.60      .55      .32    11.47      13.19      .14    13.33
 Low Cost:    
  1996-2020...    10.61      .28      .71    11.59       9.66      .41    10.07
  1996-2045...    10.61      .39      .40    11.40      10.77      .19    10.96
  1996-2070...    10.60      .45      .30    11.35      10.99      .11    11.09
 High Cost:
  1996-2020...    10.61      .35      .77    11.73      11.75      .54    12.29
  1996-2045...    10.61      .56      .43    11.59      14.23      .30    14.53
  1996-2070...    10.60      .70      .33    11.63      16.03      .20    16.23
DI:    
 Intermediate:
  1996-2020...     1.79      .02      .06     1.87       1.95      .08     2.03
  1996-2045...     1.79      .03      .03     1.86       2.09      .04     2.13
  1996-2070...     1.80      .03      .03     1.85       2.17      .02     2.20
 Low Cost:    
  1996-2020...     1.79      .02      .06     1.87       1.58      .06     1.64
  1996-2045...     1.79      .02      .03     1.85       1.61      .03     1.64
  1996-2070...     1.80      .02      .02     1.84       1.62      .02     1.64
 High Cost:
  1996-2020...     1.79      .03      .06     1.88       2.40      .11     2.51
  1996-2045...     1.79      .04      .04     1.87       2.70      .05     2.75
  1996-2070...     1.80      .04      .03     1.87       2.90      .03     2.93
OASDI:
 Intermediate:
  1996-2020...    12.40      .33      .80    13.54      12.63      .55    13.18
  1996-2045...    12.40      .49      .46    13.35      14.47      .27    14.74
  1996-2070...    12.40      .58      .34    13.33      15.36      .16    15.52
 Low Cost:    
  1996-2020...    12.40      .29      .76    13.46      11.24      .47    11.71
  1996-2045...    12.40      .41      .43    13.25      12.38      .21    12.59
  1996-2070...    12.40      .47      .32    13.19      12.61      .12    12.73
 High Cost:
  1996-2020...    12.40      .38      .83    13.61      14.15      .64    14.79
  1996-2045...    12.40      .59      .47    13.46      16.93      .35    17.28
  1996-2070...    12.40      .74      .35    13.50      18.94      .23    19.16
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Note: Totals do not necessarily equal the sums of rounded components.