157.All of the stocks on the over-the-counter market are designated by either a 4-letter or a 5-letter code that is created by using the 26 letters of the alphabet. which of the following is the max num of different stocks that can be designated with there codes?
157.All of the stocks on the over-the-counter market are designated by either a 4-letter or a 5-letter code that is created by using the 26 letters of the alphabet. which of the following is the max num of different stocks that can be designated with there codes?