Consider the program below that gets following keyboard input "comPUTer".

Carefully trace the execution of the code above to answer these questions:

A$.$ What is the first character that this program displays? $[$ Select $]["$r$","$m$","$T$","$U$","$P$","$e$","$c$","$o$"]$

B$.$ What is the second character that this program displays? $[$ Select $]["$r$","$o$","$c$","$U$","$P$","$T$","$e$","$m$"]$

C$.$ What is the third character that this program displays?