Assume we have a file c3.txt that contains the following data 456 789 How Thank you 123 54 abc What is the output after executing the following main method below and the user inputs the following data onto the keyboard; (assume all import statements for Scanner & Exceptions have been imported). final exam is today public static void main(String[] args) throws FileNotFoundException { File b = new File("c3.txt"); Scanner in = new Scanner(b); Scanner key = new Scanner(System.in); String data = ""; while (in.hasNextint() { data += in.nextInt(); } String d = key.next(); System.out.print(data+""+d); } a. 456789, final b. 1245,exam c. final,today d. 1245,final