text: #ifndef SAVINGS_ACCOUNT_H
  #define SAVINGS_ACCOUNT_H
  #include "bank_account.h"
  
  class SavingsAccount : public BankAccount
  {
  public:
  	SavingsAccount(int act, double bal, float i = .9) : // <-dont have to create an interest-this is default(default parameter/optional param w/ defaul value
  		BankAccount(act, bal), interest_rate(i) {} //initializer list- initializes new instance of BankAccount with these params
  	void add_interest_earned();
  
  private:
  	const float interest_rate;
  	const float time = 1.0 / 12.0;
  
  };
  
  
  
  #ednif //!SAVINGS_ACCOUNT_H