Please use Chain of Responsibility pattern for the corresponding code using this reference https://sourcemaking.com/design_patterns/chain_of_responsibility

class LoanApprover

{

protected LoanApprover nextApprover;

public void SetNextApprover(LoanApprover nextApprover)

{

this.nextApprover = nextApprover;

}

public virtual void ApproveLoan(Loan i);

}

class Manager : public LoanApprover

{

public void ApproveLoan(Loan i)

{

if (i.Amount <= 100000)

cout << "Loan amount of " << i.Amount << " approved by the Manager") << endl;

else

nextApprover.ApproveLoan(i);

}

}

class Director : public LoanApprover

{

public void ApproveLoan(Loan i)

{

if (i.Amount <= 250000)

cout << "Loan amount of " << i.Amount << " approved by the Director") << endl;

else

nextApprover.ApproveLoan(i);

}

}

class VicePresident : LoanApprover

{

public void ApproveLoan(Loan i)

{

cout << "Loan amount of " << i.Amount << " approved by the Vice President") << endl;

}

}

public class Loan

{

private int amount;

public int Amount

{

return amount;

}

public Loan(int amount)

{

this.amount = amount;

}

}

void main(int argc, char* argv[])

{

LoanApprover a = new Manager();

LoanApprover b = new Director();

LoanApprover c = new VicePresident();

a.SetNextApprover(b);

b.SetNextApprover(c);

a.ApproveLoan(new Loan(50000)); //this will be approved by the manager

a.ApproveLoan(new Loan(200000)); //this will be approved by the director

a.ApproveLoan(new Loan(500000)); //this will be approved by the vice president

}