Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of the Company’s deferred tax liabilities and assets are as follows (in thousands):


                                                        December 31
                                                     1994         1993  
Deferred tax liabilities:
    Depreciation and basis differences
      for property, plant and equipment          $  22,332    $  19,277
    Revenue recognition                              4,610        4,182
    Basis difference on asset and stock sale         3,113        3,037
    Prepaid expenses                                 5,019        3,818
    Equity in earnings of TREADCO                    1,254        1,064 
    Total deferred tax liabilities                  36,328       31,378

Deferred tax assets:
    Accrued expenses                                 2,743        1,452
    Uniform capitalization of inventories              162          154
    Postretirement benefits other than pensions        241          111
    Other                                              181            - 
    Total deferred tax assets                        3,327        1,717 

Net deferred tax liabilities                     $  33,001    $  29,661 

Significant components of the provision for income taxes are as follows:


                                                        December 31
                                                     1994         1993  
Current:
    Federal                                      $  12,595    $  18,263
    State                                            2,148        3,123 
    Total current                                   14,743       21,386

Deferred (credit):
    Federal                                          2,670       (1,786)
    State                                              519         (322)
    Total deferred (credit)                          3,189       (2,108)

Total income tax expense                         $  17,932    $  19,278 

Components of the provision for deferred income taxes for 1992 are as follows :


Depreciation, capital leases and gains on asset sales    $  (603)
Accrued expenses                                             762
Revenue recognition                                          522
Prepaid expenses                                              58
Revenue equipment tires                                      221
Deferred charges                                            (545)
Equity in earnings of TREADCO                                788
Other                                                          9 
Deferred income tax expense                              $ 1,212 

A reconciliation between the effective income tax rate, as computed on income before extraordinary items and the cumulative effect of an accounting change, and the statutory federal income tax rate is presented in the following table:


                                                   Year Ended December 31
                                                 1994       1993       1992  
                                                       ($ thousands)

Income tax at the statutory federal rate 
  of 35% for 1994 and 1993, and 34% for 1992  $ 12,824   $ 14,088   $ 12,121
Federal income tax effects of:
    State income taxes                            (933)      (981)      (812)
    Amortization of nondeductible goodwill       1,031      1,058      1,003
    Other nondeductible expenses                   969        490        476
    Minority interest                            1,233      1,099        961
    Undistributed earnings of TREADCO              210        189        705
    Rate difference for TREADCO                   (108)       (98)         -
    Retroactive tax rate change effect 
      on deferred taxes                              -        677          -
    Other                                           39        (45)        53 
Federal income taxes                            15,265     16,477     14,507
State income taxes                               2,667      2,801      2,387 
                                              $ 17,932   $ 19,278   $ 16,894 
Effective tax rate                                48.9%      47.9%      47.4%

Income taxes paid were $12,368,000 in 1994, $20,740,000 in 1993, and $6,302,000 in 1992.

In August 1993, the Revenue Reconciliation Act of 1993 was enacted, which required a retroactive increase in the corporate federal tax rate. This resulted in an increase in the tax expense and a corresponding decrease in net income of $828,000. The increase in the corporate federal tax rate was accounted for in accordance with FAS 109.