Helen invested 100 shares of a Japanese corporation at the price of 2,050 JPY (Japanese Yen) per share when the exchange rate was US $1.00=140JPY. After six months, she sold all of the shares at the price of 2,250JPY per share, when the exchange rate was US $1.00=130JPY. No dividends were paid during the time she owned the shares of stock. What is her rate of return in US$ on this investment over this time period? 12.62% 18.20% 7.14% 9.76%.