When using the high-low method, the equation that represents the slope of of the total cost line (variable cost per unit) is High activity level - Low activity level)/(High cost - Low cost)
The high-low method is used in computing cost.
The fixed and variable cost from a particular goods or sales.
Therefore, When using the high-low method, the equation that represents the slope of of the total cost line (variable cost per unit) is High activity level - Low activity level)/(High cost - Low cost
Learn more on high-low method below
https://brainly.com/question/14107176
#SPJ1