Which of the following statements about depreciation is true Select one: a. The choice of depreciation method has no impact on a firm's value because the same amount of depreciation is taken over the life of an asset regardless of the method used. b. Depreciation must be calculated the same way for financial reporting and tax purposes. c. Depreciation is a non-cash expense, but it is important because it affects a corporation's tax liability O d. A shareholder wealth maximizing corporation prefers to defer depreciation expense in order to increase current reported profits