def end_of_month(year, month_param)
      merch_month = get_merch_month_param(month_param)
      retail_calendar.end_of_month(year, merch_month)
    end
def end_of_month(year, month_param)
      merch_month = get_merch_month_param(month_param)
      retail_calendar.end_of_month(year, merch_month)
    end
The end date of the month

 @param year [Integer] the merch year
 @param month_param [Hash] month hash

 @see #start_of_month The start_of_month method for examples using month_param

 @return [Date]