Consider the multi-factor APT with two factors. Portfolio A has a beta of 0. 5 on factor 1 and a beta of 1.25 on factor 2. The risk premiums on the factors 1 and 2 portfolios are 1% and 7% respectively. The risk-free rate of return is 7%. The expected return on portfolio A is __________ if no arbitrage opportunities exist.
a. 13.5%
b. 15.0%
C. 16.25%
d. 23.0%
Answer: C. 16.25%