Which of the following is NOT true for a call option on a stock worth $$30?$

Question $2$Select one or more:

a$.$

As a stock$$s expected return increases, the price of the option on the stock stays the same.

b$.$

Stock return is not a determinant of option price

c$.$

As a stock$$s expected return increases, the price of the option might increase or decrease.

d$.$

As a stock$$s expected return increases, the price of the option increases.