Answer and Explanation:
Given:
For portfolio A
Expected return of 12%
beta = 0.5
Risk premium for A = ?
For portfolio B
Expected return of 13%
beta = 0.4
Risk premium for B = ?
Risk-free rate of return = 5%
Computation:
For portfolio A
12% = 5% + (0.5 × risk premium for A)
risk premium for A = 14%
For portfolio B
13% = 5% + (0.4 × risk premium for B)
risk premium for B = 20%
short position "A"
Long position "B"