Good evening, I had a few questions regarding your Oud oils: 1) What grade are they (xxxxx Super, Double Super, A, xxxxx)? 2) Are they steam-distilled or CO2-extracted? 3) Which types do you sell (xxxxx Indian, xxxxx)? 4) What is the minimum purchase amount (xxxxx 12 ml), for how many US dollars? Thank you, Taha Syed.