Because of the on-target selection process for the magazine mailing list, the action was a success and yielded an excellent rate of return: 60% of the readers that received the mailing subscribed to the magazine, for an average expenditure of US$ 90.00. Total sales amounted to roughly US$ 54,000. The total investment for the campaign was US$ 30,000. Therefore, the return on each dollar invested was US$0.80, or an 80% ROI.