Actually our price quotation is valid until June 10 and you want you want to have the shipment on July 20 to be loaded.
We can not fix the price that long for that reason, we have to ask for an advance payment 50% to fix the price with ordering your wheat now with the new harvest price advantages.
If you make the advance payment in 1 week time, we will be able to load at the dates you desired. Since we have computed the prices with new harvest ( in 2 weeks period ) price advantages.