Mr. James K. Silber, an avid international investor, just sold a share of Rhone-Poulenc, a French firm, for FF50. The share was bought for FF42 a year ago. The exchange rate is FF5.80 per U.S. dollar now and was FF6.65 per dollar a year ago. Mr. Silber received FF4 as a cash dividend immediately before the share was sold. Compute the rate of return on this investment in terms of U.S. dollars.