The lower-priced cell phone that Mariah no longer wanted to have is an example of inferior goods. Thus, the option (a) is correct.
What is promotion?
Promoting products and services in the marketplace is referred to as “promotion.” A paid and unpaid payment is the promotion. In order to promote itself, the business releases a new product.
Public purchasing is influenced by the promotion of the goods and services. Public relations, advertising, sales promotion, and direct marketing are the four different methods of promotion.
The Maria's income improved as a result of a job advancement. Mariah intends to replace her outdated mobile phone with a new smartphone. A person's increased income allows them to spend more money on new items, which are the lesser goods. As demand declines, utility, and consumption rates go up.
Therefore, option (a) is correct.
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