Performance is a function of which of the following?

A) motivation to perform, ability to perform, and opportunity to perform
B) motivation to perform, energy to perform, and one's state of mind
C) ability to perform, opportunity to perform, and energy to perform
D) one's state of mind, motivation to perform, and ability to perform

In practice, inflation is measured by looking at the _____.

A) Producer Price Index
B) Consumer Price Index
C) purchasing power parity
D) Gini coefficient