7. How many bytes are needed in minimum in the activation record of subprogram Sub () for the storage of local variables? Each integer variable needs 4 bytes.
void Sub () {
int a, b;
while () {
int c, d, e, f;
if () {
int g, h, i;
}
}
}
if () {
int j, k;
}
else {
int m, n, p;
}