Plz solve the question correctly** ***PUT THE ANSWER IN 4 DECIMALS*** thank you very much

Stock RETURN SD CORRELATION 0.12 0.22 0.5 B 0.08 0.14 T.BILL 0.025 DEGREE OF RISK AVERSE A-4.5 WHAT IS THE OPTIMAL WEIGHT FOR A PORTFOLIO CONSIST OF A AND B WHAT IS THE OPTIMAL WEIGHT FOR B PORTFOLIO CONSIST OF A AND B WHAT IS THE RETURN OF THE PORTFOLIO WHAT IS THE STANDARD DEVIATION OF THE OPTIMAL PORTFOLIO WHAT IS THE WEIGHT OF THE RISKY ASSETS IN THE COMPLETE OPTIMAL PORTFOLIO WHAT IS THE STANDARD DEVIATION OF THE COMPLETE OPTIMAL PORTFOLIO