4. Returns and Actions. Kunal Nayvar from London, had $50,000 in investments in the USA at the beginning of the year that consisted of a diversified portfolio of stocks (40 percent), bonds (40 percent), and cash equivalents (20 percent). His returns over the past 12 months were 13 percent on stocks, 6 percent on bonds, and 1 percent on cash equivalents. (a) What is Kunal's average return for the year