please I need parts A,B and the second photo is an example of part C and D

a. What is the portiolo beta for your proposed invesiment portiolo? b. How would a 25 percent increase in the expested relum on the market inpase the expected return of your poetfolio? c. How would a 25 pecoent deseste in the expected return on the market ingact the expected return on each asset? M. The portition beta for your propoeed irestiment portatio is (Hound to trree decimal places) a. What is the porthoto beta tar your proposed invesentent portfollo? b. How woukd a 25 percent increase in the expected return on the market inpact the nipected return of your portalo? c. How would a 25 percent decrease in the expected retum on the manet impact the expected retum on each asset? best chnice below)