A beta coefficient for a stock of 0.6 implies that?

a. a 6% return on the market will cause the return on this stock to be 10%.

b. a return of 10% on the market will cause the return on this stock to be 6%.

c. a 6% decrease in the market will cause the return on this stock to be 6%.

d. a return of 10% on the market will cause the return on this stock to be negative 6%.