Assume the betas for securities A, B, and C are as shown here:

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.

a. Calculate the change in return for each security if the market experiences an increase in its rate of return of

12.8%

over the next period.

b. Calculate the change in return for each security if the market experiences a decrease in its rate of return of

10.6%

over the next period.

c. Rank and discuss the relative risk of each security on the basis of your findings. Which security might perform best during an economic downturn? Explain.

Security	Beta
A	1.63
B	0.64
C	0.21