@Override
	public double getSalesTax(Room homeRoom, MOB seller)
	{
		if((seller==null)||(homeRoom==null))
			return 0.0;
		final Law theLaw=CMLib.law().getTheLaw(homeRoom,seller);
		if(theLaw!=null)
		{
			final String taxs=(String)theLaw.taxLaws().get("SALESTAX");
			if(taxs!=null)
				return CMath.s_double(taxs);
		}
		return 0.0;

	}