Which of the following is correct? An increase in depreciation of $50 will result in an increase in annual operating cash flow of $40 given a 20% tax rate A deduction in expense of $80 will result in an increase in cash flow of $64 given a 20% tax rate Change in depreciation affects the annual operating cash flow due to its tax savings. An increase in revenue of $100 will result in an increase in annual operating cash flows of $80 given a tax rate of 20%