Yea sorry
There were 2 answers and they were different.
It often takes less effort to answer a question then it does to check the answers that are already there.
I do appologize though, your answer was a very good one and it was rude of me to not acknowledge it.
To be honest I did not even look at your answer, other than to recognise that 30 corresponded to my answer.
I did give you a point in acknowledgment but I do not consider that that was enough.
All I can do is offer you my appology.
Why don't you join up and then you will get a reputation for being a reliable, good quality, answerer.