Refer to the information provided in Figure 20.4 below to answer the questions that follow. 
Figure 20.4
-Refer to Figure 20.4.The demand and supply of pounds are S2 and D2.Which of the following can change the equilibrium exchange rate ($/pound) to $1.50 and the equilibrium quantity to 400 pounds?
Definitions:
Price Promotions
Short-term strategies to reduce prices of products or services with the aim to increase customer interest and sales.
Reminder Advertising
A type of advertising aimed at keeping a brand or product in the mind of consumers, emphasizing brand recall.
Product Life Cycle
The series of stages a product goes through from introduction to the market to its decline and eventual withdrawal.
Maturity Stage
A phase in the product life cycle characterized by a slowdown in sales growth as the product reaches widespread acceptance and market saturation.
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