The expected return on the market portfolio is 21%. The risk-free rate is 12%. The expected return on SDA Corp. common stock is 20%. The beta of SDA Corp. common stock is 1.90. Within the context of the capital asset pricing model, _________.
A. SDA Stock is underpriced
B. SDA stock is fairly priced
C. SDA Corp. stock's alpha is –9.10%
D. SDA stock's alpha is 9.1%