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

Industrial engineers who specialize in ergonomics are concerned with designing workspace and devices operated by workers so as to achieve high productivity and comfort. a paper published in this research area reports on a study of preferred height for an experimental keyboard with large forearm-wrist support. a sample of 31 trained typists resulted in an average preferred height of 80.0 cm