The Cheyenne Hotel in Big Sky, Montana, 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 for one day. The hotels business is highly seasonal, with peaks occurring during the ski season and in the summer.

Month	Occupancy-Days	Electrical Costs
January	2,640	$ 13,200
February	2,860	$ 14,300
March	980	$ 4,900
April	2,420	$ 12,100
May	2,090	$ 10,450
June	4,470	$ 18,860
July	4,020	$ 17,160
August	3,940	$ 16,760
September	1,630	$ 8,150
October	1,090	$ 5,450
November	1,390	$ 6,950
December	2,910	$ 14,550

Required:

1. Using the high-low method, estimate the fixed cost of electricity per month and the variable cost of electricity per occupancy-day. (Do not round your intermediate calculations. Round your intermediate calculations. Round your Variable cost answer to 2 decimal places and Fixed cost element answer to nearest whole dollar amount.)

2. What other factors in addition to occupancy-days are likely to affect the variation in electrical costs from month to month? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.)