Refer to the information provided in Figure 16.3 below to answer the question(s) that follow. 
Figure 16.3
-Refer to Figure 16.3. The ________ level of output of this product is 15.
Definitions:
West Africa
A region located in the western part of the African continent, comprising various countries each with its distinct cultures and languages.
Fuel Efficiency
The efficiency with which a fuel's energy content is converted into useful work or output, such as miles per gallon for vehicles.
MPG-City
A metric used to express the number of miles a vehicle can travel using one gallon of fuel under city driving conditions.
Distribution
In statistics, the way in which values of a variable or dataset are spread or dispersed, indicatively described by shapes such as normal, skewed, etc.
Q12: A diagram of an individual's utility from
Q46: About 75 percent of American women over
Q68: Products may be homogeneous or differentiated in
Q70: The issuing of tradeable pollution permits is
Q72: The feature that distinguishes monopolistic competition from
Q156: John Stuart Mill first proposed<br>A) the idea
Q161: For _ goods, market demand is the
Q177: The four largest firms account for approximately
Q177: Refer to Figure 15.2. In this monopolistically
Q234: Public officials, like voters, often have a