The Pop-Group Hootie & the Operations Fish Came Out with a Smash

Short Answer

The pop-group Hootie & The Operations Fish came out with a smash hit, singing about Lover's Beer. As a result, in two weeks customer demand for Lover's Beer increased from 4 crates of beer per week to 8 crates per week (and remained at 8 crates per week during the next 30 weeks). Lead times in the supply chain are large and stages only communicate with each other through the orders they place.
(a) What will be the main effect observed in the supply chain?
(b) List two key actions that need to be taken in order to avoid this effect.