The customer value proposition section of a sales dialogue template assumes that $\_\_\_\_\_.$

a$.$

having good intentions is enough to gain a buyer's trust

b$.$

the value proposition is likely to be modified after a purchase decision has been made

c$.$

not all participants involved in a buying process are influential

d$.$

customer needs and buying motives are essentially homogeneous

e$.$

the value proposition is likely to be modified prior to the purchase decision