Suppose you are a euro-based investor who just sold Microsoft shares that you had bought six months ago. You had invested 8,000 euros to buy Microsoft shares for $267 per share; the exchange rate was $1.12 per euro. You sold the stock for $290 per share and converted the dollar proceeds into euro at the exchange rate of $1.24 per euro. Determine the part of the return due to the change in stock price? (X.X%)