The following expected return and the standard deviation of current returns are known: Security (i) A B T-Bills Market P

[answerhappygod]

The following expected return and the standard deviation of current returns are known:
Security (i)
A
B T-Bills Market Portfolio
Expected Return
0.20 0.12 0.05 0.20
Standard Deviation β! 0.12 1.1 0.10 0.8
0 0 0.15 1
a) Determine the weights of a portfolio with a standard deviation of 7% created by combining T-Bill and the market portfolio.
b) Determine which of A or B is over-valued or undervalued.
c) How will you invest $1000 in riskless T-bills and the risky assets in the Market Portfolio to maintain a standard deviation of 10%.
Please show full procedure