Cashiers at Save-A-Dollar are using outdated cash registers that require far more effort and time than modern equipment. Customers sometimes lose their patience due to the slow machines, and several of the cashiers suffer from carpal tunnel syndrome because of those old registers. Bonnie, one of the cashiers, has suggested an upgrade to the manager several times, but he doesn't see the need for change. Of the following political tactics, which one should Bonnie use to convince the manager to make this investment? a. Convince the other cashiers to join her in making an appeal to the manager b. Convince the other cashiers to work extra shifts at no cost in exchange for new register equipment c. Become an expert on using new register equipment and promise to train the other cashiers on the new equipment when it arrives d. Appeal to the manager's sympathy by emphasizing the health problems related to the old equipment