Answer:
a. Periodicity assumption
Step-by-step explanation:
There are various assumptions and principles out of which few are given below:
1. Periodicity assumption: According to this, the business activities are divided on the monthly, quarterly, half yearly, yearly financial statements
2. Monetary unit assumption: According to this, the business transactions should be expressed in term of monetary units.
3. Economic entity assumption: According to this, the business activities or record keeping should be separate from its owners, shareholders, etc.
4. Going concern assumption: According to this, the business should be run for the longer time or forever. It will keep the business in running and there is no intention to closed or liquidate it.
In the given situation, the most appropriate option is a.