In retail marketing why are the four P's so important?

The four P model summarises the customer focused elements involved with bringing a product to market, Product, Place, Price and Promotion. They are important because they force a company to adopt a customer orientated strategy, which has been shown to be a more sustainable approach than a product led company.
product

price

promotion

place
They are the following:

1. Product
2. Price
3. Place
4. Promotion

it is product, price, place and promotion

1. Product
2. Price
3. Distribution
4. Promotion