Some Children in Siliguri, India, Work as Low-Wage Professional Rock

Multiple Choice

Some children in Siliguri, India, work as low-wage professional rock breakers. The rocks they break with a hammer are used in buildings and roads. In terms of the idea of efficiency, having children break rocks with hammers:

A) is not efficient because modern equipment could crush stone with far less effort.
B) is technically efficient but not economically efficient because the job does not pay a living wage.
C) is economically efficient but not technically efficient because it uses too much labor relative to capital.
D) could be efficient given the extremely low price of labor and high price of capital.