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Revision Mock Exam Variance Question

Forums › Ask ACCA Tutor Forums › Ask the Tutor ACCA PM Exams › Revision Mock Exam Variance Question

  • This topic has 3 replies, 2 voices, and was last updated 10 years ago by John Moffat.
Viewing 4 posts - 1 through 4 (of 4 total)
  • Author
    Posts
  • September 24, 2015 at 4:52 pm #273419
    vapiano91
    Member
    • Topics: 26
    • Replies: 55
    • ☆☆

    A company Produces units that should take 1.5 hours to make. The std rate of pay is $15 per hour. Idle time is expected to be 10% of hours paid.
    They Actually produce 20000 Units. They pay $5,20,000 for 38000 hours, of which 3000 hours are idle.

    What is the labour Efficiency Variance?
    1)$83333 A
    2)$75000 A
    3)$80000 A
    4)$120000 A

    The answer in the test is $83333.

    I dont understand how.
    Labour efficiency variance is the difference between actual hours worked and the hours that shouldve been worked.
    Thus, 38000 hours – 3000 hours= 35000 hours actually worked
    Standard Actual= 20000*1.5=30000 hours of which 10% is idle time. Thus hours worked is 27000. The difference is 8000 hours and monetary value is $120000.

    Am i going wrong?
    Thanks

    September 24, 2015 at 9:11 pm #273441
    John Moffat
    Keymaster
    • Topics: 57
    • Replies: 54809
    • ☆☆☆☆☆

    Yes – you are going wrong.

    You need to watch the free lecture on advanced idle time variances.

    You are wrong in two places.

    First, they should take 20,000 x 1.5 = 30,000 hours to make.
    They actually work 35,000 hours. So the variance in hours is 5,000.

    Secondly, the rate of pay per working hour is 15/0.9 = $16.666 per hour.

    So the variance is 5,000 x $16.666 = $83,333.

    September 25, 2015 at 12:24 pm #273538
    vapiano91
    Member
    • Topics: 26
    • Replies: 55
    • ☆☆

    Thanks Prof. Moffat!

    I hadn’t seen your lecture on Advanced Idle Time. Did now. 🙂

    And sorry for the accidental posting of the same question!

    Regards

    September 25, 2015 at 3:29 pm #273563
    John Moffat
    Keymaster
    • Topics: 57
    • Replies: 54809
    • ☆☆☆☆☆

    No problem – and you are welcome 🙂

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