$(3)$ No single pricing formula will work for all businesses, nor is there a formula that will assure maximum profits in all situations.

$TF$

$(4)$ Promotion is a form of persuasive communication, or getting others to do what you want them to do$.$ Its function is that of informing consumers about a product or service and influencing them to buy that product or service.

$(5)$ What is the name of the pricing strategy where a low price is set so that a firm can increase its share of the market?

A$.$ Discount Pricing

B$.$ Prestige Pricing

C$.$ Penetration Pricing

D$.$ Psychological Pricing