package Refactoring.LongExample1.After1;

public class CorporateClient extends Client {

    private final double retainer = 500;

    public double amountOwing(int daysWorked) {
        double base = baseAmount(daysWorked);
        return base - discountAmount(base);
    }

    public double baseAmount(int daysWorked) {
        return retainer + (daysWorked / 30.0) * monthlyRate();
    }

    public double discountAmount(double base) {
        return 500.0 + base * 0.02;
    }

    private double monthlyRate() {
        return 500;
    }

}