$($a$)$

Identify the high and low points.

Machine Hours

$

High point

$ $q,$

Low point

$

Using the high$-$low method, compute the variable cost of electricity per machine hour. $($Round unit cost to $2$ decimal places, e$.$g$.52\mathrm{.}75.)$

Variable cost $

per machine hour

$($b$)$

Compute the total fixed cost of electricity. $($Round answer to $2$ decimal places, e$.$g$.52\mathrm{.}75.)$

Fixed cost $

eTextbook and Media

$($c$)$

Represent the electricity cost function in equation form. $($Round answers to $2$ decimal places, e$.$g$.52\mathrm{.}75.)$

Total cost $=$ $

$MH+$$

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$($d$)$

What is the expected electricity cost when $730$ machine hours are used? $($Round answer to $2$ decimal places, e$.$g$.52\mathrm{.}75.)$

Total cost $