Which of the following is ALWAYS INCONSISTENT with stockholder wealth maximization? Offering a money-back guarantee to customers who are unsatisfied with their purchase Voluntarily installing expensive machinery to treat effluent discharge which currently is being dumped into a river where it is ruining the drinking water of the local community Investing in smokestack filters to reduce Sulphur Dioxide pollution Making a large corporate donation to the local community in order to fund a recreation complex that will be used by the community and the firm's employees While each of the above actions has expected costs, none are necessarily inconsistent with stockholder wealth maximization