Jason Wong completed the topic Practice Scenario 3-2. Increase/Decrease in Demand/Supply in the group Premium Members

Jason Wong completed the topic Practice Scenario 3-1. Increase/Decrease in Demand/Supply (Answer) in the group Premium Members

Jason Wong completed the topic Practice Scenario 3-1. Increase/Decrease in Demand/Supply in the group Premium Members

Jason Wong completed the topic Practice Scenario 2-2. Fresh Supply vs Old Supply (Answer) in the group Premium Members

Jason Wong completed the topic Practice Scenario 2-2. Fresh Supply vs Old Supply in the group Premium Members