please answer 19.6,19.8,19.9 please show work. will give good rating. thanks

9.6 A portfolio consists of assets A,B, and C. Weights are xA=20 percent, xB=30 percent, and xC=50 percent. Expected returns are E[rA]=8 percent, E[rB]=10 percent, E[rC]=13 percent. What is the portfolio expected return? 19.8 Suppose that an asset, A, earns 16 percent in the United States over the period of one year. If the cost of a dollar to a resident of the European Union goes from 0.7064/$ at the beginning of the year to 0.7182/$ at the end of the year, what is the euro return on the U.S. asset? 19.9 Share prices on the Philippine Stock Exchange rise 12 percent in Philippine pesos. During the same period, the peso rises from $0.0425/ peso to