As I mention earlier, no need calculation. It's common sense the egg price dropping in pasar malam supermarket etc. All aunty housewife know. Egg is fragile somemore teoseng always choose best timing on Greece nego. If you remember sometime ago when US IMF big change last time this egg also dropped. Next US adjust interest rate sure this egg will wayang again, bkful when u buy egg. Did I tell you if SG rate back to 2.5 how this egg will react, don't say I said hor.