Sergei, a Scientist, Invented a Method of Using Solar Energy

Multiple Choice

Sergei, a scientist, invented a method of using solar energy to power electrical devices. However, the cost of using the method on a large scale was prohibitive. Hence, his invention was not adopted by his target customers. The lack of ________ was the reason for the failure of his invention.

A) organizational suitability
B) technological feasibility
C) economic viability
D) social adaptability
E) political suitability