Explanation:

- Option 1: Perquisites

- These are additional benefits given to employees beyond their salary.

- They often include things like free housing, medical aid, and education for children.

- They enhance the overall compensation package.

- Option 2: Job Enrichment

- Focuses on making work more rewarding by adding meaningful tasks.

- It enhances employee satisfaction and motivation through varied job responsibilities.

- Option 3: Co-partnership

- Offers employees a stake in the company's ownership.

- It aligns their interests with company success, often through shares or stock options.

- Option 4: Pay and Allowances

- Refers to basic salary and other monetary compensation like bonuses or overtime.

Correct Answer: Option 1: Perquisites