Build console outputs "line 96 & 98error: expected unqualified-id before '.' token"

#include <iostream>
#include <Windows.h>
using namespace std;

class Owned {
    public:
    string value;
    string brand;
    string model;
    int ID;
    int year;
    int price;
    string fuel;
    string choice;
    int Balance = 100000;
    string fullname = brand + model;


};

class Cars {
    public:
    int price;
    string brand;
    string model;
    int ID;
    int year;
    string fuel;
    string choice;
    string fullname = brand + model;
    void myMethod () { // A method is a function inside a class

    }
};

int main () {

Cars car1;
    car1.ID = 1;
    car1.brand = "Toyota";
    car1.model = "Supra";
    car1.year = 2016;
    car1.price = 75,000;
    car1.fuel = "Petrol";
Cars car2;
    car2.ID = 2;
    car2.brand = "Toyota";
    car2.model = "Land Cruiser";
    car2.year = 2021;
    car2.price = 70,000;
    car2.fuel = "Diesel";

Cars car3;
    car3.ID = 3;
    car3.brand = "Toyota";
    car3.model = "Rav4";
    car3.year = 2018;
    car3.price = 62,000;
    car3.fuel = "Hybrid";

cout << car1.ID << "." << car1.brand << " " << car1.model << " " << car1.year << endl;
cout << "$" << car1.price << endl;
cout << "Fuel Type:" << car1.fuel << endl;
cout << endl;
cout << "_____________________________________________________________";
cout << endl;
cout << car2.ID << "." << car2.brand << " " << car2.model << " " << car2.year << endl;
cout << "$" << car2.price << endl;
cout << "Fuel Type:" << car2.fuel << endl;
cout << endl;
cout << "_____________________________________________________________";
cout << endl;
cout << car3.ID << "." << car3.brand << " " << car3.model << " " << car3.year << endl;
cout << "$" << car3.price << endl;
cout << "Fuel Type:" << car3.fuel << endl;
cout << endl;


 int choice;
 cin >> choice;
 if (choice = 1) {
        string yesno_variable1;
        cout << car1.year << " " << car1.brand << car1.model << endl;
        cout << "Are you Sure?" << endl << "Yes/No";
        cin >> yesno_variable1;
        if (yesno_variable1 == "yes")
        {
            Owned ocar1;
                ocar1.ID = car1.ID;
                ocar1.brand = car1.brand;
                ocar1.model = car1.model;
                ocar1.year = car1.year;
                ocar1.price = car1.price;
                ocar1.fuel = car1.fuel;
                ocar1.fullname = car1.fullname;
        Owned.Balance - car1.price;   
// Console outputs "line 96 & 98error: expected unqualified-id before '.' token"
            if (car1.price>Owned.Balance) {
            Owned.Balance + car1.price;
            cout << "Not Enough Money";}} }

}