double taxRate = 0.08;

double totalWithTax(double price) {
    return price * (1 + taxRate);
}

void main() {
    IO.println(totalWithTax(50));
}

// From Groundwork, chapter 6 (ch06-methods), box 12.
// This example is from Groundwork, licensed CC BY-NC-SA 4.0.
// Run with: java ch06_12.java