1. Avatar 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

  2. 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 $ ?


    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.

  3. avatar says

    Hi all, i seem to have hit a wall in trying to understand Question 9 of the test questions. Correct me if i’m wrong (though quite certain i am but not sure why), but if we write out the cost card and carry out the profit calculation using an absorption system, we end up with £59,500 profit, yet this would be incorrect, and i’m not sure why? Could someone shed some light on this please? If we were not given the Marginal Costing derived profit, could we still not calculate the Absorption costing derived profit? What piece of information would be/is missing?

    Thank you very much

    • Avatar of johnmoffat says

      The reason is because of over/under absorption of fixed overheads.

      Using marginal costing, the contribution per unit is $12 and so the total contribution from sales of 8500 units is $102,000. Since the marginal costing profit is $60,000, it means that the total fixed overheads must be $42,000.

      Using absorption costing, sales of 8500 units at a standard profit of $7 per unit gives a total of $59,500.
      However this would be absorbing/charging fixed overheads of 8,000 units (production) x $5 per unit = $40,000.

      So……since actual total fixed overheads are $42,000, it means they will have been under absorbed by 42,000 – 40,000 = $2,000, and therefore the absorption profit will be $59,500 – $2,000 = $57,500.

      I hope that answers your question (although in the exam it is obviously quicker for this sort of question to simply adjust the profit by the fixed overheads in inventory, as per the answer).

  4. avatar says

    I need some help with this question , thank you

    A Co. uses a standard marginal costing system: the following figures are available for the last accounting period
    in which actual profit was 124000

    sales volume contributiion variance 9000 favourable
    Sale price Variance 8000 Adverse
    Total variable cost variance 13000 favourable
    Fixed Cost Expenditure variance 4000 adverse

    What was the standard profit for the actual sales in the last accounting period

    • Avatar of johnmoffat says

      To get the standard profit for the actual sales, you need to adjust the actual profit for the sales price variance, the variable cost variance, and the fixed cost variance.
      (The sales volume variance is not relevant because you are asked for the standard profit for the actual sales – not for the budgeted sales)

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