Unlike physical products, services cannot be seen, tasted, felt, heard, or smelled before they are bought. This characteristic of services is known as ________

Subsidies are a form of payment that is provided by _____.

Fill in the blank(s) with the appropriate word(s).

_____ means persuading customers to buy a higher-priced item than they originally intend to purchase

a. Suggestion selling b. Trading up c. Brand cannibalization d. Microtargeting