label trade_price:
$ grain_b = round(32*(1+0.2*math.sin(day*0.25)),1)
$ protein_b = round(180*(1+0.1*math.sin(day*0.2+3)),1)
$ fuel_b = round(254*(1+0.08*math.sin(day*0.1+1)),1)
$ machinery_b = round(86*(1+0.12*math.sin(day*0.25+4)),1)
$ titanium_b = round(60*(1+0.15*math.sin(day*0.15+2)),1)
$ beryllium_b = round(120*(1+0.1*math.sin(day*0.2+5)),1)
$ grain_g = round(40*(1+0.2*math.sin(day*0.2+2)),1)
$ protein_g = round(200*(1+0.1*math.sin(day*0.25+3)),1)
$ fuel_g = round(226*(1+0.08*math.sin(day*0.15+4)),1)
$ machinery_g = round(74*(1+0.12*math.sin(day*0.2+1)),1)
$ titanium_g = round(69*(1+0.15*math.sin(day*0.1)),1)
$ beryllium_g = round(132*(1+0.1*math.sin(day*0.15+3)),1)
$ grain_r = round(48*(1+0.2*math.sin(day*0.1+4)),1)
$ protein_r = round(220*(1+0.1*math.sin(day*0.15+5)),1)
$ fuel_r = round(240*(1+0.08*math.sin(day*0.12+2)),1)
$ machinery_r = round(80*(1+0.12*math.sin(day*0.22+5)),1)
$ titanium_r = round(51*(1+0.15*math.sin(day*0.13+6)),1)
$ beryllium_r = round(110*(1+0.1*math.sin(day*0.22+3)),1)