Answer:
a.intangibles.
Explanation:
The cost behavior refers to behavior in which it shows the changes in the cost if there is a change in any kind of activity
It can be based on given range, activity drivers, activity bases but not with the intangible cases as intangible refers to the asset which cannot be visible or even touched like intellectual properties i.e copyrights, patents, goodwill, etc
Hence, the correct option is a.
