When the supply comes onto the market, right so  this thing here  is the expectation of price in P T, when the supply comes onto the market  right and that expectation is formed at T minus one, right so at the beginning of the year  farmers make some  forecast or some expectation of prices when the crop will come onto the market in T, right and then they form that expectation or that prediction, right, at the beginning of the period, or at the end of the last one, T minus one.