if (checkBalance) {
    if (isActive && balance > 0) {
        console.log(`Your balance is $${balance}.`);
    } else if (!isActive) {
        console.log("Your account is no longer active.");
    } else if (balance === 0) {
        console.log("Your account is empty.");
    } else {
        console.log("Your balance is negative. Please contact bank.");
    }
} else {
    console.log("Thank you. Have a nice day!");
}