?Consider historical data showing that the average annual rate of return on the a particular stock portfolio over the past 80 years has averaged roughly 9% more than the Treasury bill return and that the stock portfolio standard deviation has been about 20% per year. Assume these values are representative of investors expectations for future performance and that the current T-bill rate is 6%. Calculate the utility levels of each portfolio for an investor with A = 2. Assume the utility function is U = E(r) 0.5 A?2.

The pictures are of my work...the first and last answers are correct, but the middle ones (.1, .09, .08, .07) are incorrect.

W Bills	W Index	U (A=2)
0	1
.2	.8
.4	.6
.6	.4
.8	.2
1	0

Rf Rp 6% 15% 20% U-E(r)-0.5xA(std dev.)2 W Index U (A 2) 1 0.8 0.6 0.4 0.2 W Bills 0 0.2 0.4 0.6 0.8 0.1100 0.1000 0.0900 0.0800 0.0700 0.0600 0