Consider the following class declarations when answering this question: class patient_record class Patient Info [ public: public: int age: Patient_Info(): string name; double charge; private 1: int count://cell in used int capacity://tot cells patient record "DB: 7 dyn array 3: Implement the default constructor "Patient_Info". Initialize DB with the data stored in file "Patient.txt": the fields in the file are read in the following order: age, name, charge. Start with an initial capacity of 100. "count" is the number of elements stored in the dynamic array, DB. If DB becomes full, print a message stating that "No more records can be added because DB is full