I need help with this exercise. Than you for the help. Language is C++

4 Hierarchical Records Use program Cars for Exercises 4-5 7 Program Cars reads a record from a file and writes // its contents back to another file with the price member / increased by 10 percents #include #include #include using namespace std; struct DateType int month; int dayi int year; struct CarType double price: DateType purchased; string customer CarType GetCar ( ifstream&dataIn void WriteCar(ofstream& dataOut, CarType car int main () CarType cari ifstream dataIn; ofstream dataout; dataIn.open( "cars.dat")i dataOut.open"cars.out") cout > car.customer; dataIn >> car.price >>car.purchased.day >>car.purchased.month >>car.purchased.year; return cari void WriteCar(ofstream& dataOut, CarType car dataOut