The controller of Norton Industries has collected the following monthly expense data for use in analyzing the cost behavior of maintenance costs.

Month	total maintenance cost	Total machine hours
January	2,880	330
February	3,180	380
March	3,780	530
April	4680	660
May	3380	530
June	5470	730

Determine the variables cost components using the high low method

variable cost per machine $_______

Determine the fixed cost components using the high low method

total fixed costs $______