double calcTaxAmount() {
double price = getA() * getB() + getC();
double taxRate = getD() + getE();
return price * taxRate;
}
double calcTaxAmount() {
double price = getdouble calcTaxAmount() {
double price = getA() * getB() + getC();
double taxRate = getD() + getE();
return price * taxRate;
}
double calcTaxAmount() {
double price = get