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Please help to understand this question on Shadow price

Forums › ACCA Forums › ACCA PM Performance Management Forums › Please help to understand this question on Shadow price

  • This topic has 1 reply, 2 voices, and was last updated 10 years ago by Roisin.
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    Posts
  • May 30, 2015 at 7:31 pm #250744
    Tsering
    Member
    • Topics: 3
    • Replies: 1
    • ☆

    A company currently makes two products, X and Y. Both products use material z which is in limited supply, and current production levels are using the entire weekly supply.
    Product X uses 4 kg of Z per unit; product Y uses 5 kg of Z per unit. Material Z is costing currently $2 per kg, and the shadow price for material Z has been calculated as $2.70 per kg. The supplier of material Z is prepared to increase the weekly supply by 10 kg.
    What is the most per kg that the company should be prepared to pay for the extra material?
    A. $0.70
    B. $2.70
    C. $4.70
    D. $2.40
    I choose B but it was wrong. Correct answer was C. Please explain this for me as I thought shadow price is the most extra we would be prepared to pay for one extra unit of limited resource. As it is given in question that shadow price for Z is $2.70, shouldn’t answer be B. ($2.70)?

    Your reply would be greatly appreciated.

    May 30, 2015 at 10:50 pm #250766
    Roisin
    Member
    • Topics: 14
    • Replies: 31
    • ☆

    It is the extra amount above the current cost. so the current cost is 2 + the shadow price of 2.70. So the most we aré prepared to pay is 4.70

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