True or False?

14. A portfolio's net return is a weighted arithmetic average of the net returns of its constituents while the portfolio's long-term holding period return is the sum of the net returns of the portfolio in each period. 15. When you mix multiple risky assets to maximize Sharpe ratio, you should invest at least $1 in all assets for diversification if short sale is not allowed. It means that your optimal weights are all positive and there are no zeros. 16. Suppose Tesla stock price is $200 per share. You temporarily have a super power and find that Tesla is undervalued and its fair price should be S203. Therefore, if you buy Tesla stocks and sell it a one month later, your net return will be exactly 1.5%