For each of the applications listed below, select the file organisation best suited to it and explain why you choose that file organisation:
- An file containing employee-records for a small company with 30 employees
- The pricing file in a supermarket with 100,000 products
- A data file holding cookie-data for a website
- A bank file containing checking account records for its 250,000 customers
- A student-records database holding details for 5,500 students