A contractionary supply shock would most likely result in

A decrease in employment

Explanation:

Supply shock refers to a sudden event that changes the supply of a product or services. It could be a negative or positive shock

A negative supply shock is caused by a decrease in supply while a positive supply shock is caused by an increase in supply.

As negative supply shock reduces output causing an increase in price while a positive supply shock increases output causing a decrease in price.

NOTE: Supply shock is usually negative.

Supply shock could be contractionary or expansionary.

•A contractionary supply shock will result in the decrease in employment contrary to an expansionary supply shock that will lead to an increase in employment.

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u = 30

continuing your method

= +

subtract from both sides

= - thus

= -

= ⇒ u = 30