6. Write and comment a C program that: - Reads strings from the keyboard input and store them in a two-dimensional character- type array. [BONUS] For up to [+25% bonus marks, use pointers for the string entries. - The program should continue reading the string until the word end or END is entered - Then, the program should determine strings beginning with letter T' or T, convert it to uppercase - Moreover, if the strings begin with the letter "L" or "T", the program should convert it to lowercase. - The results should be displayed on the screen. - Make the character array store up to a maximum of 8 characters. - Flowcharting is an optional bonus of [+10%) Example output: (Your program must not just imitate the output shown below, but must function) Enter string : three Enter string : Five Enter string : SIX Enter string : Nine Enter string : one Enter string : four Enter string : Two Enter string : Zero Enter string : END Processing output... three FIVE SIX Nine One FOUR two Zero