Answer:
controllable margin = $100,000
Explanation:
given data
Income tax expense = $62000
Contribution margin = 180000
fixed costs = 80000
Interest expense = 68000
Total operating assets = 40000
to find out
How much is controllable margin
solution
we get here controllable margin that is express as
controllable margin = contribution - controllable fixed cost ....................1
put here value we get
controllable margin = 180000 - 80000
controllable margin = $100,000