Ceteris paribus, if a company's tax rate is 40%, a decrease in depreciation expense of $1,000, would cause net income to go..........and the firm's cash to go O A. down by $1,000: down by $1,000 OB. up by $1000, up by $1,000 OC. up by $400, down by $600 OD. up by $600; down by $400