Which of the following conditions are necessary for marketing to occur?

Group of answer choices

d$.$ two or more parties with unsatisfied needs, a desire and an ability to satisfy them, a way to communicate, and something to exchange

b$.$ two or more people, a product, a reasonable price, and a place to make an exchange

a$.$ two or more people, a method of assessing needs, a way to communicate, and an exchange

c$.$ a quality product, a fair price, a clever method of promotion, and a place where a customer can buy the product

e$.$ an ability to see a hidden trend within an environmental force, a product, and an affordable

and actionable advertising campaign