Step by step process
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}This is a method of breakingsemi-variable costs into their two components.
}A semi-variable cost being a cost whichis partly fixed and partly variable.
}Step 1
}Pick the highest and lowest levels ofactivityFindthe variable cost per unit = Change in cost/Change in activity
}Step 2
}Find the fixed cost
}= Total cost – (variable cost per unit ×activity level)
}Step 3
}Calculate the expected cost
}Total cost = Total fixed cost + (Variablecost per unit × activity level)
}With the high-low method only twoobservations are used anda linear relationship is assumed.
}However these two extreme points may hidethe true relationship between the variables.

