What is the reason behind more number of "Regular salaried employees" in urban areas?

All of the above

The correct answer is:Option 4: All of the above

Explanation:
Nature of work in urban areas is different: Urban areas often have a diverse range of industries and services that require regular, salaried employees.
Everyone cannot run factories, shops, and offices of various types: The skills and capital required to operate businesses in urban areas often necessitate regular employment in those enterprises.

Enterprises in urban areas require workers on a regular basis: Many urban enterprises, such as factories, offices, and shops, have regular staffing needs that lead to a higher number of salaried employees.

All these factors contribute to the higher number of regular salaried employees in urban areas.