T F Use of the percentage of net sales method for estimating the uncollectible accounts expense violates the matching principle. 5. Trademarks are amortized on a straight-line basis over a 20 year period under the GAAP rules. T F Capitalization of in-house research and development projects is required under the GAAP rules. Inventory must be evaluated for impairment under the GAAP rules. The LIFO reserve can be used to approximate the tax savings captured by a company that utilizes LIFO as opposed to FIFO. 9. T F A LIFO liquidation occurs when the ending inventory units are greater than the beginning inventory units in an accounting cycle. 10. T F To promote efficiency, companies target a low account receivable turnover