Trade exemple 600 woods --> 620 horses
There a exemple completed may 30th 2012 of what trade can do :
600 wood became 330 coal (at 100 for 55)
330 coal became 370 wheat (at 33 for 37)
370 wheat became 190 hard planks (at 74 for 38)
190 hard planks became 400 beer (at 95 for 200)
400 beer became 110 longbow (at 200 for 55)
110 longbow became 260 horse (at 55 for 130)
260 horse became 400 tools (at 130 for 200)
400 tools became 200 sausage (at 100 for 50)
200 sausage became 100 gold ore (at 100 for 50)
100 gold ore became 100 steel (at 100 for 100)
100 steel became 100 iron sword (at 50 for 50)
100 iron sword became 800 tools (at 50 for 400)
800 tools became 620 horses (at 100 for 75 and 80)
600 wood approximately worth between 3 to 6 gold piece
620 horse approximately worth between 31 to 37 gold piece