Applying the High$-$Low Method $[$LO$2-$ CC$9]$

The Royal Canadian Lodge in Banfi, Aiberta, has accumalated records of the total electrical costs of the hotel and the aumber of occupancy$-$days over the last year. An occupancy$-$day represents a room rented out for one day. The botel's business is highly seasonal, with peaks occurring during the sli season and in the summer.

Required: the fxed cost to the nearest whole dollas and the warible cost to the nearest whole cent.

$2.$ What factors other than occupancy dars are likely to affect the monthly variation in electrical costs?