Consider the following barriers.
1. Anti-dumping practice.
2. Packaging, labeling and marking standards.
3. Charges on imports.
4. Rules of origin.
5. Sanitary and phyto-sanitary conditions
Which of the barriers given above are come under the Non-Tariff Barriers (NTBs) of WTO?
1
1, 2, 3 and 5
2
1, 2, 4 and 5
3
2, 3, 4 and 5
4
All of these