around 500 words please

Question 2 Bolton Ltd holds a trademark that is well known within consumer circles and has enabled the company to be a market leader in its area. The trademark has been held by the company for 9 years. The legal life of the trademark is 5 years, but is renewable by the company at little cost to it. Required Discuss how the company should determine the useful life of the trademark with reference to AASB 138, noting in particular what form of evidence it should collect to justify its selection of useful life