Name the following in reference to a joint stock company.
1. The smallest unit into which the capital of the company is divided.
2. The Act that governs the joint-stock companies in India.
3. The sum total of the money contributed by the members of a joint-stock company.
4. The official signature of a joint-stock company.
5. The elected representatives of the members who manage the day to day affairs of the joint-stock company.