Example 1: A 리넨 두루마리
sells to a vendor for . Tailoring vendors sell 굵은 실타래
for and 표백제
for . A White Linen Shirt that takes 1 리넨 두루마리
, 1 굵은 실타래
and 1 표백제
has an opportunity cost of . The same White Linen Shirt sells to a vendor for , so the Profit/Loss on a White Linen Shirt is 0. It's a break-even recipe.