What is the ending value of sum, if the input is $2573?$ All variables are integers.

x $=$ scnr$.$nextInt$()$;

sum $=0$;

for $($i $=0$; i $<$ x; $++$i$)\{$

currValue $=$ scnr$.$nextInt$()$;

sum $+=$ currValue;

$\}$

Select one:

a$.15$

b$.12$

c$.10$

d$.5$