Estimating Useful Life and Percent Used Up The property and equipment section of the lululemon athletica 2018 balance sheet follows. Property and Equipment (in thousands) Feb. 3, 2019 Jan. 28, 2018 Land Buildings Leasehold improvements Furniture and fixtures Computer hardware Computer software Equipment and vehicles Work in progress Property and equipment, gross Accumulated depreciation Property and equipment, net $78,636 $83,048 38,030 39,278 362,571 301 449 103,733 91,778 59,542 61,734 230,689 173,997 15,009 14,806 74,271 51,260 972,481 817,350 (372,824) $599,657 (316,211) $501,139 Depreciation expense related to property and equipment was $112.6 million and $99.4 million, for the years ended February 3, 2015, and January 28, 2018, respectively. Required a. Consider the level of the various PPE components. Does it seem likely that the company manufactures its own inventory? No + 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). 2.2 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%), 6