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Supply is perfectly inelastic when:

Supply is perfectly inelastic when:
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Quantity supplied changes greatly
  • B Prices remain permanently stable
  • C Quantity supplied remains unchanged
  • D Producers expand output rapidly
Correct Answer: Option C
Explanation:
Perfectly inelastic supply means producers cannot change the quantity supplied regardless of changes in price. The supply curve becomes vertical because output remains fixed. This situation is common with goods that cannot be increased immediately, such as land.

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