Which of the following is true regarding the stock on the ex dividend date?

Select one:

a. the price of the stock decrease by the amount of the dividend on the ex dividend date

b. the price is not influenced by the ex dividend date

c. the price of the stock increases by the amount of the dividend on the ex dividend date

d. trading in the stock is suspended on the ex dividend date

e. the IRS imposes a 20% tax on the dividend