solid-lsp.cs

public interface IPay
{
  decimal CalculatePay( Employee currentEmployee );
  void SendToBigBallerAccount();
}

public class BigBallerPay : IPay
{
  public decimal CalculatePay( Employee currentEmployee )
  {
    return currentEmployee.PayRate * currentEmployee.Hours * 1000;
  }
  
  public void SendToBigBallerAccount()
  {
  }
}

public class FTEPay : IPay
{
  public decimal CalculatePay( Employee currentEmployee )
  {
    return currentEmployee.PayRate * currentEmployee.Hours;
  }
  
  public void SendToBigBallerAccount()
  {
    throw new System.NotImplementedException();
  }
}