The Royel Canadien Lodge in Banff, Alberte, has accumulated records of the total electrical costs of the hotel and the number of occupancy$-$days over the last year. An occupancy day represents a room rented out for one day. The hotel's business is highly seasonal, with peaks occurring during the ski season and in the summer.MonthOccupancy$-$DaysElectrical Costs$1,736$$$4,1271,4073,2072,5555\mathrm{.}2102,8571113388812$M$6$m$9$m$9$waOctoberNovember$23$December$1,3643,529$Required:$1.$ Using the high$-$low method, estimate the fixed cost of electricity per month and the variable cost of electricity per occupancy$-$day. Round the fixed cost to the nearest whole dollar and the variable cost to the nearest whole cent$\mathrm{.}2.$ What factors other than occupancy$-$days are likely to affect the monthly variation in electrical costs?