public void DeterminePriceTest()
{
Vehicle v = new Vehicle("t", "c", 1, "m", "m2", false, false, 50, "m");
int price = VehicleControl.DeterminePrice(v);
Assert.AreEqual(price, v.Rate * 100);
}
/// <summary>
/// updates the information displaying the purchase cost.
/// </summary>
private void UpdatePurchaseInfo()
{
carInfoLabel.Text = _vehicleToPayFor.ToString();
moneyAmountLabel.Text =
VehicleControl.DeterminePrice(_vehicleToPayFor).ToString();
}