Which best describes how specialized producers decrease their opportunity costs?
by reducing production costs
by focusing on target markets
by increasing production of certain items
by liating the types of goods produced

this question your asking is true hope this and you get a 100 percent : )

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.

answer; the above statement is (true);