Assume you have a portfolio consisting of only three shares X, Y and Z with expected returns of 28.46%, 13.47% and 9.25% respectively. Your portfolio weights in this instance are 25.62% in security X and 24.87% in security Y. By finding the portfolio weight in security Z, hence find the expected return on this portfolio. Please answer as a whole number percentage to 2 decimal places. e.g. 0.1243 is 12.43