Answer:
c. amortized over a maximum period of 11 years.
Step-by-step explanation:
The patent is an intangible assets which is to be reported on the current asset side of the balance sheet
Like other intangible asset i.e goodwill, trademarks, and other intellectual properties are also shown on the asset side of the balance sheet
These assets should be amortized, not it is depreciated
In the given case, the patent should be amortized over a maximum period of 11 years