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                                  EXHIBIT 11
                                       
              Computation of Net Income per Share of Common Stock
                                       
                                       



                                                       Three Months Ended March 31,       Nine Months Ended March 31,             
                                                      ------------------------------      ----------------------------
                                                         1997              1996               1997              1996      
                                                      ---------         ----------        ----------        ----------
                                                                                                                          
                                                                                                           
Net income                                            $1,249,085        $  988,776        $2,477,629        $2,601,365    
                                                      ==========        ==========        ==========        ==========    
                                                                                                                          
Primary:                                                                                                                  
   Weighted average number of shares                                                                                      
     outstanding during the period                     2,169,233         2,184,535         2,145,787         2,162,079    
   Dilutive impact of unexercised                                                                                         
     common stock options                                  4,902            29,877             4,698            14,747    
                                                      ----------        ----------        ----------        ----------    
                                                                                                                          
   Weighted average number of shares                                                                                      
     outstanding for the period                        2,174,135         2,214,412         2,150,485         2,176,826    
                                                      ==========        ==========        ==========        ==========    
                                                                                                                          
   Net income per share                               $     0.58        $     0.45        $     1.15        $     1.19    
                                                      ==========        ==========        ==========        ==========    
                                                                                                                          
Fully diluted:                                                                                                            
   Weighted average number of shares                                                                                      
     outstanding during the period                     2,169,233         2,184,535         2,145,787         2,162,079    
   Dilutive impact of unexercised                                                                                         
     common stock options                                  4,939            29,877             4,939            10,724    
                                                      ----------        ----------        ----------        ----------    
                                                                                                                          
   Weighted average number of shares                                                                                      
     outstanding for the period                        2,174,172         2,214,412         2,150,726         2,172,803    
                                                      ==========        ==========        ==========        ==========    
                                                                                                                          
   Net income per share                               $     0.58        $     0.45        $     1.15        $     1.19    
                                                      ==========        ==========        ==========        ==========