4. Suppose a firm's tax rate is 35% (a) What effect would a $10 million operating expense have on this year's earnings (i.e., net income)? What effect would it have on next year's earnings? (b) What effect would a $10 million capital expense have on this year's earnings if the capital is depreciated at a rate of $2 million per year for five years? What effect would it have on next year's earnings