A school girl who needs a book and mirror, each coasting five naira, decides to...

ECONOMICS
JAMB 1991

A school girl who needs a book and mirror, each coasting five naira, decides to purchase the book instead of the mirror since she cannot pay for the two at the same time. Determined the real cost of her book.

  • A. The five naira she spent on the book
  • B. Five naira real cash value
  • C. the mirror
  • D. The book

Correct Answer: C. the mirror



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