Answer:
Price knowledge
Explanation:
Price knowledge - it is referred to as the deep knowledge of the price of the product. it helps in marketing tactic that is used to persuade the customer. it helps in negotiating with the customer on the price.
For example - to persuade potential customers, the salesman should have a broad knowledge of the price of the product so that if customers are ready for buying the product then the additional discounts can offer to lure them.