Answer:All of the answer choices are correct.
The following is a factor to be considered in determining a limited-life intangible asset's useful life:
(a)Any legal provisions that may limit the useful life.
(b)The expected useful life of any related asset.
(c)The effects of obsolescence.
It necessary to note that while evaluating a limited life intangible asset the following factors are considered. i.e. legal provisions, effects of obsolescence and etc.
Therefore, in this case the correct option is (d)