content_image/204976.jpg content_image/204977.jpg content_image/204978.jpg
The following table presents the change in the balance of goodwill: 

<img src='content_image/204976.jpg'>

The recoverable amounts used in goodwill impairment testing are calculated using discounted cash flow models based on the following significant unobservable inputs: 

<img src='content_image/204977.jpg'>

## 15. INCOME TAXES 

The major components of income tax expense for the years ended December 31, 2013 and December 31, 2012 are set out below: 

<img src='content_image/204978.jpg'>

