All the stocks on the over-the-counter market are designated by either a 3 letter or 4 letter codes that is created by using the 26 letters of the alphabet. Which of the following gives the maximum number of different stocks that can be designated with these codes?
Choose the most appropriate option:
A) 2(26^5) B) 26(26^4) C) 27(26^3) D) 26(26^5) E) 27(26^5)
with 3 letters: 26^3   with 4 letters: 26^4   26^3 + 26^4 = 27*(26^3)   27(26^3)
<result>C</result>
All the stocks on the over-the-counter market are designated by either a 3 letter or 4 letter codes that is created by using the 26 letters of the alphabet. Which of the following gives the maximum number of different stocks that can be designated with these codes?