(self)
return self.meter.get_fifteen_minute_rate()
get 15 rate from internal meter
get 15 rate from internal meter
get 15 rate from internal meter
def get_fifteen_minute_rate(self):
        "get 15 rate from internal meter"
        return self.meter.get_fifteen_minute_rate()
def get_fifteen_minute_rate ( self ) : return self . meter . get_fifteen_minute_rate ( )