This Program does not implement interest

class Account $\{$

public:

Customer$*$ customer;

float balance;

int account$\_$number;

std::vector transaction;

void add$\_$interest$()$;

Account$($Customer$*$ c$,$ double balance, int num$)$

: customer$($c$),$ balance$($balance$),$ account$\_$number$($num$)\{\}$

int get$\_$account$\_$number$()$ const $\{$

return account$\_$number;

$\}$

double get$\_$balance$()$ const $\{$

return balance;

$\}$

$//$ Member functions definitions

virtual void deposit$($double amount, Date date$)=0$;

virtual void withdraw$($double amount, Date date$)=0$;

virtual std::string to$\_$string$()$ const $\{$

return "Account : $"+$ std::to$\_$string$($account$\_$number$)+"$

$"+$

customer$->$get$\_$name$()+",$ balance: $$"+$ std::to$\_$string$($balance$)$;

$\}$

Customer$*$ get$\_$customer$()$ const $\{$

return customer;

$\}$

$\}$;

class Savings$\_$Account : public Account $\{$

public:

Savings$\_$Account$($Customer$*$ cust, double bal, int accNum$)$ : Account$($cust$,$ bal, accNum$)\{\}$

void deposit$($double amount, Date date$)$ override $\{$

balance $+=$ amount;

transaction.push$\_$back$($new Transaction$("$DEP$",$ amount, balance, date$))$;

$\}$

void withdraw$($double amount, Date date$)$ override $\{$

if $($balance $-$ amount $>=0)\{$

balance $-=$ amount;

transaction.push$\_$back$($new Transaction$("$WD$",$ amount, balance, date$))$;

$\}$ else $\{$

std::cout $<<$ "Insufficient funds for withdrawal. Charging overdraft penalty." $<<$ std::endl;

balance $-=$ Senior::OVERDRAFT$\_$PENALTY; $//$OVERDRAFT PENALTY IS SAME FOR ALL ACCOUNTS

transaction.push$\_$back$($new Transaction$("$ODP$",$ Senior::OVERDRAFT$\_$PENALTY, balance, date$))$;

$\}$

$\}$

void add$\_$interest$()\{$

double annual$\_$interest$\_$rate $=$ get$\_$annual$\_$interest$\_$rate$()$;

double interest $=$ balance $*$ annual$\_$interest$\_$rate;

deposit$($interest$,$ Date$(0,0,0))$; $//$ Assuming the interest is added on the current date

transaction.push$\_$back$($new Transaction$("$INT CR$",$ interest, balance, Date$(0,0,0)))$;

$\}$

void check$\_$charge$($double amount$)$ const $\{$

double charge $=$ amount $*$ Student::CHECK$\_$CHARGE;

std::cout $<<$ "Check charge: $$"<<$ std::fixed $<<$ std::setprecision$(2)<<$ charge $<<$ std::endl;

$\}$

double get$\_$annual$\_$interest$\_$rate$()$ const $\{$

if $($dynamic$\_$cast$($customer$))\{$

return Student::SAVINGS$\_$INTEREST;

$\}$ else if $($dynamic$\_$cast$($customer$))\{$

return Senior::SAVINGS$\_$INTEREST;

$\}$ else if $($dynamic$\_$cast$($customer$))\{$

return Adult::SAVINGS$\_$INTEREST;

$\}$

$\}$

$\}$;

class Checking$\_$Account : public Account $\{$

public:

Checking$\_$Account$($Customer$*$ cust, double bal, int accNum$)$ : Account$($cust$,$ bal, accNum$)\{\}$

void deposit$($double amount, Date date$)$ override $\{$

balance $+=$ amount;

transaction.push$\_$back$($new Transaction$("$DEP$",$ amount, balance, date$))$;

$\}$

void withdraw$($double amount, Date date$)$ override $\{$

if $($balance $-$ amount $>=0)\{$

balance $-=$ amount;

transaction.push$\_$back$($new Transaction$("$WD$",$ amount, balance, date$))$;

$\}$ else $\{$

std::cout $<<$ "Insufficient funds for withdrawal. Charging overdraft penalty." $<<$ std::endl;

balance $-=$ Senior::OVERDRAFT$\_$PENALTY; $//$ Assuming Senior overdraft penalty for any customer type in checking

transaction.push$\_$back$($new Transaction$("$ODP$",$ Senior::OVERDRAFT$\_$PENALTY, balance, date$))$;

$\}$

$\}$

void add$\_$interest$()\{$

double annual$\_$interest$\_$rate $=$ get$\_$annual$\_$interest$\_$rate$()$;

double interest $=$ balance $*$ annual$\_$interest$\_$rate;

deposit$($interest$,$ Date$(0,0,0))$; $//$ Assuming the interest is added on the current date

transaction.push$\_$back$($new Transaction$("$INT CR$",$ interest, balance, Date$(0,0,0)))$;

$\}$

void check$\_$charge$($double amount$)$ const $\{$

double charge $=$ amount $*$ Student::CHECK$\_$CHARGE;

std::cout $<<$ "Check charge: $$"<<$ std::fixed $<<$ std::setprecision$(2)<<$ charge $<<$ std::endl;

$\}$