private void RecalcVolumeMassShipping()
{
TotalVolume = LineItemUnits.Sum(x => Mathf.Max(1f, x.Key.CubicMetersPerUnit() * x.Value));
TotalMass = LineItemUnits.Sum(x => x.Value * x.Key.KgPerUnit());
ShippingCost = Via.DollarsPerKilogramPerKilometer(TotalMass, this.Vendor.DistanceFromPlayerKilometersRounded);
}