information to project the monthly operating costs for a month in which the company performs $3,400$ oil changes.

$($Click the icon to view the data.$)$

Use the high$-$low method to determine the variable and fixed costs components of Montrose Oil and Lube's operating cost equation.

First identify the formula and calculate the variable cost component $($slope$).($Round your answer to the nearest cent.$)$

Change in costs

Change $in$ volume $=$

$,800=$

Variable cost per unit

$=5\mathrm{.}63$

Data table