All of the above are marketed
Answer:<em><u> Offering a discount to students and seniors</u></em> will allow the chocolatier to know which types of consumers are likely to have a lower willingness to pay.
Here the price discrimination should be in respect with the demography i.e. allow the chocolatier to sell truffles to the consumer based on their age groups.
<u><em>The correct option is (3).</em></u>
People are demanding more apartments than sellers are willing to offer. This means that there is a shortage of apartments.