Mr mehra ~ Profession
Return/Reward ~ Professional fee

His wife ~ Employment
Return/Reward ~ Wages or salary

His son ~ Business
Return/Reward ~ Profit

Economic Activities of Mr Raman Mehra, his wife, and his son:

1. Mr Raman Mehra - Practising Chartered Accountant:
- Mr Raman Mehra is engaged in the economic activity of providing professional services as a practising Chartered Accountant.
- As a Chartered Accountant, he offers various financial services, including auditing, tax planning, financial reporting, and consultancy, to individuals, businesses, and organizations.
- His economic activity involves the provision of specialized knowledge and skills in the field of accounting and finance.

2. Mrs Mehra - Bank Manager at Punjab National Bank:
- Mrs Mehra is engaged in the economic activity of managing a branch of Punjab National Bank as a Bank Manager.
- As a Bank Manager, she oversees the daily operations of the bank branch, including customer service, loan administration, account management, and staff supervision.
- Her economic activity involves providing banking services to individuals and businesses, managing financial transactions, and ensuring regulatory compliance.

3. Son - Shoe Manufacturing Business in Mumbai:
- The son of Mr and Mrs Mehra is engaged in the economic activity of running a shoe manufacturing factory in Mumbai.
- His economic activity involves the production and manufacturing of shoes, including designing, sourcing raw materials, production processes, quality control, and distribution.
- The son's business contributes to the manufacturing sector and generates employment opportunities.

Differentiation on the Basis of Reward/Return:

1. Mr Raman Mehra - Practising Chartered Accountant:
- Mr Raman Mehra's reward/return is primarily in the form of professional fees charged for his services as a Chartered Accountant.
- He earns income based on the number of clients he serves, the complexity of projects, and the time and effort invested in providing financial services.
- The fees charged by Mr Mehra could vary depending on the nature and scope of the assignment, client's requirements, and prevailing market rates.

2. Mrs Mehra - Bank Manager at Punjab National Bank:
- Mrs Mehra's reward/return is in the form of a fixed salary and benefits provided by Punjab National Bank.
- As a bank employee, she receives a regular income that includes a fixed monthly salary, allowances, and other benefits such as medical insurance, pension, and bonuses.
- The salary and benefits are determined based on her position, experience, performance, and the policies of the bank.

3. Son - Shoe Manufacturing Business in Mumbai:
- The son's reward/return is in the form of profits generated by his shoe manufacturing business.
- The profits depend on various factors such as the cost of raw materials, production efficiency, pricing strategies, market demand, and competition.
- The son's income is variable and subject to fluctuations based on the business's performance, sales revenue, and operational expenses.

In conclusion, Mr Raman Mehra, his wife, and his son are engaged in different economic activities. Mr Mehra provides professional services as a Chartered Accountant, Mrs Mehra works as a Bank Manager, and their son runs a shoe manufacturing business. The reward/return in each case differs, with Mr Mehra earning professional fees, Mrs Mehra receiving a fixed salary and benefits, and their son earning profits from his business.