What is the output of the following program?

#include

using namespace std;

static int i $=100$;

void abc$()$

$\{$

int i $=8$;

cout $<<$ "first $="<<$ i$++<<$ endl;

$\}$

int main$()$

$\{$

int i $=2$;

abc$()$;

cout $<<$ "second $="<<$ i $<<$ endl;

abc$()$;

return $0$;

$\}$

a$.$

first $=8$

second $=2$

first $=8$

b$.$

first $=8$

second $=2$

c$.$

second $=2$

first $=8$

d$.$

first $=8$

second $=2$

first $=9$