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  1. avatar says

    Hello sir,
    I’m having a difficulty in answering these two questions.

    Question 1:
    A company manufactures a single product which is sold for $70.00 per unit. Unit costs are:

    $ / Unit
    Variable production 29.50
    Fixed production 21.00
    Variable selling 4.80
    Fixed selling 9.00

    20,000 units of the product were manufactured in a period during which 19,700 units were sold.
    Using marginal costing, what was the total contribution made in the period?

    Question 2:
    A company manufactures a single product. Unit costs of the product are:

    $ per unit
    Variable production 14.75
    Fixed production 8.10
    Variable selling 2.40
    Fixed selling 5.35

    400,000 units of the product were manufactured in a period, during which 394,000 units were sold. There was no inventory of the product at the beginning of the period.
    Using marginal costing, what is the total value of the finished goods inventory at the end of the period?

    Looking forward to the reply. Thank you for the help. :)

  2. avatar says

    Sir, could you please help me understand over-absorbed & under-absorbed overheads with regard to budgeted &/or absorbed &/or actual Overheads? Getting really confused as to when it is over-absorbed or under-absorbed.
    You can explain w.r.t the test question 8.

    Thank You.

    • Profile photo of John Moffat says

      The fixed overhead absorption rate is based on the budgeted total and the budgeted level of activity. Since the budget (normal) production is 10,000 and the absorption rate is $12 per unit, the budgeted total must be $120,000.

      In the profit statement the amount absorbed is the actual production multiplied by the absorption rate. Since they actually produced 11500 units, the amount absorbed is 11500 x $12 = 138,000. The actual total is as budgeted, and so is 120,000.
      So the absorbed 18,000 too much – i.e. they over-absorbed.

  3. avatar says

    Dear Sir,

    As per the two method in Feb the difference will be less 4000 (Feb Profit in Marginal Costing Method: 81500- Absorption Costing Method 77500= 4000 More)

    It means that in Absorption Costing Method the Closing Inventory is always high valued.

    The more accurate way is Marginal Costing method as the inventory is valued at its production cost only and the fixed overhead being charged to PNL correctly.

    Can you tell me which is the best way?

    BTW I love your lectures….Thanks for your support.

    • Profile photo of John Moffat says

      There is no best way. The management account does it whichever way is more useful for the decisions he/she is making.

      For deciding on a selling price, then absorption costing is more useful – we need the price to cover all the costs if we are to make a profit.
      On the other hand, if the selling price is fixed (because of competitors) then marginal costing is useful because we can calculate how many we need to sell to start being profitable (the contribution has to be more than the fixed costs).

      Although not relevant for F2, in financial accounting the valuation of inventory has to include all costs of production (including fixed costs) per IAS 2.

  4. avatar says

    Dear sir,

    I have a question that I just don’t understand how it’s resolved:

    “A company operates a standard marginal costing system. Last month its actual fixed overhead expenditures was 10% above budget resulting in a fixed overhead expenditure variance of $36,000.
    What was the actual expenditure on fixed overheads last month?”

    Thank you.

    • Profile photo of John Moffat says

      If the actual figure was 10% above budget, then it means that the variance must have been 10% of the budget figure.

      So the budget figure must have been 36,000 / 10% = 360,000.

      So the actual expenditure must have been 360,000 + 36,000 = 396,000

      (I don’t know if you have watched the lectures on variances yet, because this does need knowledge of variances)

      PS You started your question ‘Dear Sir’. If you want me to answer you then it is best to ask in the F2 Ask the ACCA Tutor Forum, then I am sure to see it.

  5. avatar says

    Hi Sir. I’m not able to work out test no 4 which is as follows:

    Glossop Limited reported an annual profit of $47,500 for the year ended 31 March 2000. The company uses
    absorption costing. One product is manufactured, the Rover, which has the following standard cost per unit.
    $
    Direct material (2 kg at $5/kg) 10
    Direct labour (4 hours at $6.50/hour) 26
    Variable overheads (4 hours at $l /hour) 4
    Fixed overheads (4 hours at $3/hour) 12
    52
    The normal level of activity is 10,000 units although actual production was 11,500 units. Fixed costs were as
    budgeted.
    Inventory levels at 1 April 1999 were 400 units and at the end of the year were 600 units.
    What would be the profit under marginal costing?
    A $44,300
    B $45,100
    C $49,900
    D $50,700

    • Profile photo of John Moffat says

      The difference between marginal and absorption profits is the change in inventory multiplied by the fixed overheads per unit.

      Here, the inventory changes by 200 units. The fixed overheads per unit are $12, and so the profit will be different by 200 x 12 = $2,400.

      Because the inventory increases, absorption will give the higher profit.

      So the marginal profit is 47500 – 2400 = $45100

    • avatar says

      Hello Miss NM

      What John said is totally right… but I try to remember it in a systematic way that is through a statement like below..

      Profit reconciliation statement $
      Profits as per marginal costing xxx
      Difference in o.inventory (xx)
      Difference in c.inventory xx
      Profit as per absorption costing xxx

      This is how i do it, i use this format and i’am okay… Maybe Mr. John can correct me or add anything to it..
      Miss NM, try it and u’ll see, it works… n it is easy to remember

      • Profile photo of John Moffat says

        Gokool:

        What you are doing is correct (provided you multiply the difference in inventory by the fixed overheads per unit).

        However, many questions do not tell you the amount of the opening and closing inventory – they just tell you the production and the sales, so you know the change in inventory which is all that is needed.

        That is why it is safer to learn it the way that I have written it above.

        You only need to remember two things:
        1) The difference between absorption and marginal profits = the change in inventory x fixed overheads per unit.
        2) If inventories increase then absorption gives the higher profit (and vice versa)

  6. Profile photo of Temperance says

    @ JohnMoffat

    Hi Sir,

    If the question just gives you variable non-production costs p.u. are these to be included in the cost card?

    Also, if the question just says non-production costs are for eg, $3 p.u. are these considered fixed non-production costs or not?

    Thanking you for your response

  7. avatar says

    Many thanks John Moffat for you lectures. May I ask you for some help please as I’m stuck.

    The question is : B Co makes a product which has a variable production cost at $21 per unit and a sales price of $39 per unit. At the beginning of 20X5, there was no op.inventory and sales during the year were 50,000 units. Fixed costs (production, administration, sales and distribution) totalled $328,000. Production was 70,000.

    The value of closing inventory is $ ?

    Solution:

    The contribution per unit is $39-$21 = $18

    Closing inventory volume = 70,000 units – 50,000 units = 20,000 units
    Value of closing inventory = 20,000 units x $18 = $360,000

    My question is: shouldn’t we use absorption costing as Production > Sales therefore closing it will give us a higher profit. Why marginal costing if we haven’t been told and in my opinion Absorption is the right one.

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