What is the difference between a marketing mix and a promotional mix? What according to you is sales promotion?

the marketing mix is a business tool used in marketing and by marketing professionals , the marketing mix is crucial when determining a product, and is often the four PC : price, product, promotion , place ans service.

promotional mix is a specific combination of promotional methods used for one products , the combination of personal selling, public relations , advertising, sales promotions , direct mail and trade shows they utilised a promotion a good or service .