calcTax

package ch78test;

public class calcTax
{
    public double order=0, tax=0, total=0;
    calcTax(double order)
    {
        this.order=order;
    }

    public double taxRate()
    {
        if(this.order<=1000000)this.tax=0.02;
        if(order>1000000&&order<5000000)tax=0.03;
        if(this.order>=5000000)this.tax=0.06;
        total=order+(order*tax);
        return total;
    }
}