Dash overheard that Ignatius was blowing the whistle on managers at Jabot Cosmetics and that a full story would appear in Sunday's paper. Dash quickly alerted the managers, who were able to stop the newspaper from printing the article. This is an example of managers' _______. a. trying to eliminate the grapevine b. reducing the credibility of information from the grapevine c. ignoring the grapevine d. using the grapevine as a managerial tool e. involving the grapevine as a useless communication network