What is output?

public class Studenterade $[$

public static void main $($string$[]$ args$)\{$

HashMap studentGrade new HashMap$()$;

studenturade.put$(\text{'}$A$\text{'},"90-100\%")$; studentGrade.put$("$B$","86-89\%")$;

studentorade.put$(\text{'}$C$\text{'},"70-79\%")$;

studentGrade.put$("$D$","60-69\%")$;

student Grade.put$("$F$","<60\%")$; System.out.println$($studentGrade$.$get$(\text{'}$C$\text{'}))$;

$\}$

OC

$\backslash$Omicron $70-79\%$

$02$

O $($C$,70-79\%)$