Estimating Useful Life and Percent Used Up The property and equipment section of the lululemon athletica 2018 balance sheet follows. Depreciation expenses related to property and equipment was $122.4 million and $108.00 million, for the years ended February 3,2019 , and January 28,2018 , respectively. a. Consider the level of the various PPE components. Does it seem likely that the company manufactures its own inventory? b. Compute the estimated useful life of lululemon's depreciable assets. Note: Round your answer to one decimal place (for example, enter 6.8 for 6.77555 ). x years c. Compute the estimated percent used up of lululemon's depreciable assets. Note: Round percentage to one decimal place (for example, enter 6.7% for 6.6555% ). %