Figure 51 the Figure Shows a Linear Production Possibility Curve Representing

Multiple Choice

Figure 5.1. The figure shows a linear production possibility curve representing a tradeoff faced by a country, between necessities and luxuries​.
-Which of the following is ​a possible cause of an increase in profit from the sale of goods and services?

A) ​A decrease in the per capita income of consumers
B) ​A decrease in the price of a substitute good or a service
C) ​An increase in the availability of raw materials
D) ​A decrease in the price of a good or service, everything else held constant
E) ​An increase in the price of a good or service, everything else held constant