What are the four basic reasons for conducting sales promotion?

[vatsallya-lamgadey-926c32c9 (Vatsallya Lamgadey)]

Product Promotion:

1. Explains the major features and benefits of its products (especially in relation to competitors),
2. tells where the products are sold,
3. advertises sales on those products,
4. answers customer questions, and 5) introduces new products.