This C tutorial explains how to use the #define preprocessor directive in the C language. In the C Programming Language, the #define directive allows the definition of macros within your source code. These macro definitions allow constant values to be declared for use throughout your code. Macro definitions are not variables and cannot be changed by your program code like variables.
Price Ceilings. If the price ceiling is above the market price, then there is no direct effect. If the price ceiling is set below the market price, then a shortage is created; the quantity demanded will exceed the quantity supplied. The shortage may be resolved in many ways.
The specific quantity desired to sell of a good at a given price is known as the quantity supplied. Typically a time period is also given when describing quantity supplied. Supply-Examples of Quantity Supplied: When the price of an orange is 65 cents the quantity supplied is 300 oranges a week. If the price of copper falls from $1.75/lb to $1.65/lb, the quantity supplied by a mining company will fall from 45 tons a day to 42 tons a day. Supply Schedules: