12. What is an output after the following for loop executed? (12 pts.) a) int i; for (i = 8; i >= 4; i --) { cout << i <<" "; } b) int n; for (n = 2; n <= 6; n++) { cout << "n is " << n <<" "; } c) int n; for (n =18; n > 13; n--) { cout << "n is " << n <<" "; if (n == 16) { break; } cout << "n is " << n <<" "; } d) int i; for (i = 0; i <= 5; i++) { cout << "The test is over" <<" "; }