I think production in farms is to low in compare to price for final product.
"raw material" . . . . production
christmas tree . . . . 48/year . 4/month
cotton . . . . . . . . . . 12/y . . . .1/m
fruit . . . . .. . . . . . . .42/y . . . .3,5/m
hops . . . . . .. . . . . .37/y . . . .3,1/m
peanuts . . . . . . . . . 27/y . . . 2,3/m
wheat . . .. . . . . . . . 46/y . . . 3,8/m
grapes . . . . . . . . . . 17/y . . ..1,4/m
wool . . .7/m
leather . 7/m
meat . . 7/m
milk . . 13/m
eggs . . 12/m
crocodile
leather . 5/m
normal raw material
iron ore . . . 11/m
bauxite . . . 11/m
copper ore . 11/m
precious metals 7/m
petroleum . 11/m
cut wood . . 11/m
quartz sand 11/m
