Q6: Continue with Word class: a) Copy the previous program to a new file. b) Overload the postfix ++ operators, so return a Word object with duplicating last character of value. c) Overload the prefix ++ operators, so return a Word object with duplicating first character of value. Class template (complete following function): class Word{ friend Word operator++ Il prefix friend Word operator++//postfix } Use following main( to test your class int main(( Word a("abc"),b; cout Q6: Continue with Word class: a) Copy the previous program to a new file. b) Overload the postfix ++ operators, so return a Word object with duplicating last character of value. c) Overload the prefix ++ operators, so return a Word object with duplicating first character of value. Class template (complete following function): class Word{ friend Word operator++ Il prefix friend Word operator++//postfix } Use following main( to test your class int main(( Word a("abc"),b; cout