You are considering investing $1,000 in a t-bill that pays 0.05 and a risky portfolio, p, constructed with two risky securities, x and y. the weights of x and y in p are 0.60 and 0.40, respectively. x has an expected rate of return of 0.14 and variance of 0.01, and y has an expected rate of return of 0.10 and a variance of 0.0081. what would be the dollar values of your positions in x and y, respectively, if you decide to hold 40% of your money in the risky portfolio and 60% in t-bills? select one: $240; $360 $360; $240 $100; $240 $240; $160