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5. Employee Benefit Plan
6 Months Ended
Jun. 30, 2017
Employee Benefit Plan  
5. Employee Benefit Plan

The Bank has a qualified noncontributory defined benefit pension plan which covers substantially all of its full-time employees hired before April 1, 2012.  The benefits are primarily based on years of service and earnings.  The Company uses December 31st as the measurement date for the defined benefit pension plan.  The Bank does not expect to contribute to the pension plan in 2017.

 

The following is a summary of net periodic pension costs for the three and six month periods ended June 30, 2017 and 2016:

 

    Six Months Ended     Three Months Ended  
    June 30, 2017     June 30, 2016     June 30, 2017     June 30, 2016  
                         
Service cost   $ 347,922     $ 315,936     $ 173,961     $ 157,968  
Interest cost     243,604       226,448       121,802       113,224  
Expected return on plan assets     (425,548 )     (427,208 )     (212,774 )     (213,604 )
Amortization of prior service cost     (7,618 )     (7,618 )     (3,809 )     (3,809 )
Amortization of net (gain) or loss     142,048       111,572       71,024       55,786  
 Net periodic pension cost   $ 300,408     $ 219,130     $ 150,204     $ 109,565