In the context of the free market system, the computer business is an example of

Producer

Explanation:

in the free market system, Producer is an entity that turn raw materials or skills to  create goods or services and sell it to the market in order to obtain a profit.

Computer businesses are a good example of this.

They bought of various types of materials (such as steel, glass, silica sand, iron ore, gold) and transform it into finished products such as a monitor, processor, Audio board, etc.

Some computer businesses also focus on creating software. Rather than raw materials, they utilize coding skills of their employees to create the product and sell it to the market.

mauve company permits employees to occasionally use the copying machine for personal purposes

b is the correct answer