changes for ticket fee generation

ticket.rb

  def ticket_price
    return self.site_promo_price || self.price
  end
  
  def override_ticket_fee?    
    @override_ticket_fee == '1' ? true : false
  end
  
  def generate_ticket_fee    
    generated_ticket_fee = if override_ticket_fee?
      self.fee
    else
      _fee = case self.ticket_price
      when 0..99.99
        ((self.ticket_price * 0.1) + 1)
      when 100..199.99
        (self.ticket_price * 0.1)
      when 200..499.99
        (self.ticket_price * 0.095)
      else
        (self.ticket_price * 0.09)
      end 
      
      _fee.roundup(0.5)
    end  
    
    return generated_ticket_fee
        
  end