Calculate rates of return in % refined up to four digits beyond the decimal point (example: 1.2345%) Spencer Grant is a New York-based investor. He has invested in 100 shares of Vaniteux, a French firm. When he purchased his 100 shares at 17.25 per share, the euro was trading at $1.3600/. Currently, the share is trading at 31.14 per share, and the exchange rate is $1.3110/.

The rate of return on this investment for a person living and investing in France %.

The rate of return for Spencer Grant who lives in the US and invests in France is %