question 1 a Determine the return of a portfolio 20% invested inA the rest in B. write your answer in decimal form to two decimal places

question 1 b

The standard deviation (risk) of a portfolio 20% invested in A and the rest in B. Write your answer in decimal form to 4 decimal places

question 1 c Calculate the weights of A and B that give at least a return of 9% with minimum risk. in this question write the weight of A in decimal form to 2 d.p.

question 1 d

Now write the weight of B calculated in the previous question

question 1 e calculate the weights of A and B that give at least a return of 10% with minimum risk In this question return the weight for A

question 1f

Now write the weight for B

please understand that i posted these as different questions it wouldn't make sense. please answer these all. I would really appreciate it. This is really urgent