Coal purchased at the [[Blacksmith]] costs {{price|150}} during year 1, so it is cheaper in year 1 to buy 10 wood for {{price|100}} from [[Robin]] at the [[Carpenter's Shop]] and convert that wood into coal in the [[Charcoal Kiln]]. After year 1, wood pricing increases to {{price|50}} per piece but coal increases to only {{price|250}}, so it is cheaper to purchase coal directly. | Coal purchased at the [[Blacksmith]] costs {{price|150}} during year 1, so it is cheaper in year 1 to buy 10 wood for {{price|100}} from [[Robin]] at the [[Carpenter's Shop]] and convert that wood into coal in the [[Charcoal Kiln]]. After year 1, wood pricing increases to {{price|50}} per piece but coal increases to only {{price|250}}, so it is cheaper to purchase coal directly. |