Lesson 1.6 Homework

Option B:

public class BankAccountSimulation {

    public static void main(String[] args) {
        double balance = 5000.0;
        int transactions = 0;
        double monthlyFee = 10.0;
        double interestRate = 0.02;

        for (int month = 1; month <= 12; month++) {
            System.out.println("Month " + month + ":");

            balance += 3000;
            transactions++;
            System.out.println(" + Salary added: $3000.00");

            balance -= 1200;
            transactions++;
            System.out.println(" - Rent paid: $1200.00");

            balance -= monthlyFee;
            transactions++;
            System.out.println(" - Monthly fee: $" + monthlyFee);

            balance *= (1 + interestRate);
            System.out.printf(" * Interest applied (%.0f%%): $%.2f%n", interestRate * 100, balance);

            System.out.printf("End of month balance: $%.2f%n", balance);
            System.out.println("----------------------------");
        }

        double averageMonthlySpending = (12 * (1200 + monthlyFee));
        averageMonthlySpending /= 12;
        int tier = transactions % 5;

        System.out.println("=== YEARLY SUMMARY ===");
        System.out.printf("Final Balance: $%.2f%n", balance);
        System.out.println("Total Transactions: " + transactions);
        System.out.printf("Average Monthly Spending: $%.2f%n", averageMonthlySpending);
        System.out.println("Account Tier (based on transactions): " + tier);
    }
}