Paano makakaapekto ang sitwasyong surplus at shortage sa kalagayan ng pamilihan partikular sa mga mga konsyumer at prodyuser?​

One drawback of voluntary trade is that it a. requires two groups to use a common language b. can make one group dependent upon another for necessary goods c. doesn't occur unless there is a shortage of goods for at least one group d. forces groups to rely on themselves to produce all the goods they need