19. productivity is the combination of
rces
o
rams
a. efficiency and energy
b. effectiveness and resources
c. efficiency and effectiveness,
d. efficiency and attitude,

Productivity is the combination of efficiency and effectiveness

Option C

Explanation:

Productivity is the way a particular thing is produced by using certain resources and it is made sure that these resources are used in a way which improves the process and helps to improve the output by increasing effectiveness and efficiency of the way these resources are used which can be natural resources, human resources or man made resources used to produce a product.

answer; the federal reserve system;