Code: #include #include #include using namespace std; struct FileInput { int id; string person_name; double amount[12]; }; struct FileOutput { int id; string person_name; }; void read(ifstream &in_fs) { FileInput file_in; in_fs >> file_in.id >> file_in.person_name; for (int i = 0; i < 12; i++) { in_fs >> file_in.amount[i]; } } void convert() { .... } void write(ofstream ...