Answer:
-4.50%
Explanation:
As we know that
Expected Rate of Return = Risk Free Rate of Return + Beta × Market Risk Premium
where,
Market Risk Premium is
= Expected Return on Market Portfolio - Risk Free Rate
= 13% - 6%
= 7%
So, the expected rate of return is
= 6% + 1.50 × 7%
= 16.50%
And the expected return on SDA Corp. common stock is 12%
So, the SDA Corp stock alpha is -4.50%
which come from
= 12% - 16.50%
This is the answer and the options that are mentioned are wrong.