An investment management company is evaluating a portfolio of four stocks for the coming year. The table below shows the dollar value of each stock investment in the portfolio and the epxected rates of return for the coming year for these stocks. Also included is the standard deviation of returns for each stock.

Company	Standard Deviation of Returns	Expected Returns	Investment (Millions)
AACME Co	.08	.12	$15
Bard Capital	.12	.18	$30
CTO Inc	.08	.16	$35
Delta Ltd	.09	.13	$20

a. What are the weights for each company return in the portfolio?

b. What is the expected rate of return for Bard Capital at two standard deviations below the expected rate of return? Show your calculation or recieve no credit?

c. What is the expected rate of return for this portfolio?