What is the lesson of this problem? Why do you think that it was created?

6. ()LO 4, 2 5, 6) Table 2.14 shows the demand for new townhouses for 2018, 2019, and 2020. TABLE 2.14 2018 2019 2020 Quantity Quantity Quantity Price ($) Demanded Demanded Demanded 420 000 5 200 5 500 5 300 440 000 5 100 5 400 5 200 460 000 5 000 5 300 5 100 480 000 4 900 5 200 5 000 500 000 4 800 5 100 4 900 520 000 4 700 5 000 4 800 540 000 4 600 4 900 4 700 a) When the price in 2018 changed from $500 000 to $520 000, what happened in the market for townhouses? Answer: There was a(n) (increase/ decrease) of in the (demand/quantity demanded) b ) What happened between 2018 and 2019? Page 78 Answer: There was a(n) (increase/decrease) of in the ( demand/quantity demanded) C ) What happened between 2019 and 2020? Answer: There was a(n) (increase/decrease) of in the (demand/quantity demanded) d) When the price in 2020 changed from $500 000 to $480 000, what happened in the market for townhouses? Answer: There was a(n) (increase/decrease) of in the (demand/quantity demanded)