1. discuss the advantages and disadvantages of secondery data.
Advantages :
Secondary data can usually be obtained more quickly and at lower cost than primary data.
Also, secondary sources sometimes can provide data an individual company cannot collect on its own-information that etheir is not directly available or would be too expensive to collect.
Disadvantages:
The needed information may not exist-reserchers can rarely obtain all the data they need from secondary sources. Even when data can be found, they might not be very usable.