High$-$Low Method, Cost Formulas

During the past year, the high and low use of three different resources for Fly High Airlines occurred in July and April. The resources are airplane depreciation, fuel, and airplane maintenance. The number of airplane flight hours is the driver. The total costs of the three resources and the related number of airplane flight hours are as follows:

Resource Airplane Flight Hours Total Cost

Airplane depreciation:

High $44,000$ $ $18,500,000$

Low $28,000$ $ $18,500,000$

Fuel:

High $44,000445,896,000$

Low $28,000283,752,000$

Airplane maintenance:

High $44,00016,600,000$

Low $28,00011,832,000$

Use the high$-$low method to answer the following questions. If an answer is zero, enter $"0".$ If required, round your answers to nearest dollar.

$1.$ What is the variable rate for airplane depreciation?

fill in the blank $1$ of $1$$per flight hour

What is the fixed cost for airplane depreciation?

fill in the blank $1$ of $1$$

$2.$ What is the cost formula for airplane depreciation?

Total cost of airplane depreciation $=$ fill in the blank $1$ of $1$$

$3.$ What is the variable rate for fuel?

fill in the blank $1$ of $1$$ per flight hour

What is the fixed cost for fuel?

$fill in the blank $5$

$4.$ What is the cost formula for fuel?

Total cost of fuel $=$ fill in the blank $1$ of $1$$ x

$5.$ What is the variable rate for airplane maintenance?

fill in the blank $1$ of $1$$ per flight hour

What is the fixed cost for airplane maintenance?

fill in the blank $1$ of $1$$

$6.$ What is the cost formula for airplane maintenance?

Total cost of airplane maintenance $=$ fill in the blank $1$ of $3$$ $+($ fill in the blank $2$ of $3$$ $\backslash$times fill in the blank $3$ of $3$

$)$

$7.$ Using the three cost formulas that you developed, predict the cost of each resource in a month with $36,000$ airplane flight hours. $($Note: Do not round intermediate calculations.$)$

Line Item Description Amount

Total cost of airplane depreciation $fill in the blank $13$

Total cost of fuel $fill in the blank $14$

Total cost of airplane maintenance $fill in the blank $15$

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