Jens Heitmüller completed the topic Practice Scenario 2-1. Fresh Supply vs Old Supply in the group Premium Members

Jens Heitmüller completed the topic Practice Scenario 1-2. Fresh Demand vs Old Demand (Answer) in the group Premium Members

Jens Heitmüller completed the topic Practice Scenario 1-2. Fresh Demand vs Old Demand in the group Premium Members

Jens Heitmüller completed the topic Practice Scenario 1-1. Fresh Demand vs Old Demand (Answer) in the group Premium Members

Jens Heitmüller completed the topic Practice Scenario 1-1. Fresh Demand vs Old Demand in the group Premium Members