I believe it is ¨there is a shortage of 2,000 bikes¨ because if they demand 8,000 bikes but only make 6,000 bikes there is a shortage of 2,000 bikes
Answer:
voluntary self-punishment inflicted as an outward expression of repentance for having done wrong.
Ivan III (the Great) Ivan III (the Great) (1440–1505) Grand Duke of Moscow (1462–1505). He laid the foundations of the future Russian Empire. By 1480 Moscow's northern rivals, including Novgorod, were absorbed by conquest or persuasion, domestic rebellion was crushed, and the Tatar threat was ended permanently.