the potential output of an economy depends on three factors: human capital, physical capital, and technology. for each item below, indicate whether it affects human capital, physical capital, or technology. a. an improvement in adult literacy human capital physical capital techology b. an increase in the college student population human capital physical capital technology c. the development of smaller mp3 players human capital physical capital technology d. the acquisition of computers by companies human capital physical capital technology e. new distribution techniques human capital physical capital technology