Valle Crucis Cabins has 7 units for rent. In Julyall units were rented for all 31 days of the month. The July utility bill was $2400In February5 cabins were rented for 10 days each. The February utility bill was $730In April6 cabins were rented for 14 days each and the monthly utility bill was $980Use the high-low method to determine the estimated fixed cost component of the company's utility bill