Which of these is a procedure that quantifies the personal value of a
purchase?
A. The usefulness of the item is turned into utility.
B. The costs and benefits of the item are determined.
C. The purchase price is calculated as a certain number of working
hours.
D. The production costs of the item are calculated.

Human rights groups in the 20th century worked to: o a. european imperial powers maintain control over their colonies. o b. convince citizens in impoverished countries to embrace nationalism. o o o o c. ensure that people around the world were protected from brutal treatment. o d. weaken the influence of international organizations like the united nations. sub