Caria vista Lo$.$ gatnered the tonowing intormation on power costs and ractory macnine usage tor the last six months:

Using the high$-$low method of analyzing costs, answer the following questions and show computations to support your answers.

$($a$)$

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What is the estimated variable portion of power costs per factory machine hour? $($Round answer to $2$ decimal places, eg$.15\mathrm{.}25.)$

Variable power costs

$

per factory machine hour

What is the estimated fixed power cost each month?

High

Low

Fixed power costs

$

$

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