11) Which of the following is not an operating expense? 11) A) research and development B) interest expense ) selling, general, and administrative expenses D) depreciation and amortization 12) Why must care be taken when comparing a firm's share price to its operating income? 12) A) Both share price and operating income are related to the whole B) Share price is a quantity related to equity holders, while operating income is an amount that is related to the whole firm. C) Share price is a quantity related to the entire firm, while operating income is an amount that is related solely to equity holders D) Both share price and operating income are related solely to equity holders Use the table for the question(s) below. AOS Industries Statement of Cash Flows for 2008 Operating activities 3.2 Net Income Depreciation and amortization Cash effect of changes in 1.4 Accounts receivable 2.1 Accounts payable