Consider a single factor APT. Portfolio A has a beta of 1.2 and an expected return of 14%. Portfolio B has a beta of 0.7 and an expected return of 9%. The risk-free rate of return is 5%. If you __________$1000 of Portfolio B, your arbitrage profit is

A. There is no arbitrage and the arbitrage profit is zero. B. invest (long position); $1227 C. short; $14 D. short; $12.5