Concept: Division of labour promotes specialisation, which raises workers’ efficiency and boosts total output.
Explanation:Division of labour means breaking a production process into smaller, specialised tasks.
Each worker repeats one task, becoming quicker and more skilful.
This reduces time wastage and improves productivity.
As a result, more units of goods and services are produced within the same period.
The main general effect is therefore an increase in the quantity of goods and services produced.
Answer: A. Increase in quantity of goods and services