BE18-5 Presto Corp. has collected the following data concerning its maintenance costs for the past 6 months.

Units Produced

Total Cost

July

18,000

$32,000

August

32,000

48,000

September

36,000

55,000

October

22,000

38,000

November

40,000

65,000

December

38,000

62,000

Compute the variable and fixed cost elements using the high-low method.