7. An arbitrage opportunity exists if an investor can construct a __________ investment portfolio that will yield a sure profit.
A. positive
B. negative
C. zero
D. all of the above
E. none of the above
7. An arbitrage opportunity exists if an investor can construct a __________ investment portfolio that will yield a sure profit.
A. positive
B. negative
C. zero
D. all of the above
E. none of the above