This paper analyzes cost management decisions at Premier Products, a manufacturer producing four items (A, B, C, and D). It examines how a 25% mark-on limit drives product elimination decisions, tracing successive recalculations of allocation rates and mark-on percentages as products are dropped from the production line. The paper also explores contribution margin analysis under different variable cost structures, compares labor-hour-based overhead allocation methods, evaluates two-pool cost allocation, and discusses the conditions under which direct labor hours can accurately distribute indirect costs. The paper concludes with an introduction to activity-based costing as a more precise alternative for complex production environments.
With the implementation of the 25% mark-on limit, the producer has decided to cease manufacturing product A and to produce only products B, C, and D. The question at this stage is whether any further products would be dropped under the same rule. To answer this, the mark-on percentages for products B, C, and D must be recalculated. This first requires computing the standard costs in accordance with the adjusted allocation rate.
The results indicate an 89.09% mark-on for product B, a 6.10% mark-on for product C, and a 37.18% mark-on for product D. These figures lead to the conclusion that product C would be eliminated from the production line. The resources used in its production would be transferred to the manufacturing of product D.
Once a product is dropped, it is necessary to recalculate the allocation rate. The allocation rate per hour, considering the manufacturing of only products B and D, is 12.50%. At this stage, the mark-on rates for these two products must be adjusted based on the new allocation rate. The recalculated standard costs are $32.50 for product B and $35.00 for product D, and the new mark-on percentages are 18.46% for product B and 40% for product D.
Under the specification that products with a mark-on below 25% are to be dropped, management at Premier Products would cease manufacturing product B. The trend observed is one of eliminating products that require large amounts of time to manufacture. Product A, the first item to be dropped, required 6 hours per unit. The final remaining product breaks this pattern somewhat, but its combination of labor and costs is more efficient. The model and the 25% mark-on rule therefore strive to support operational development and financial gains by increasing efficiency.
Organizational managers employ a wide range of techniques to identify the profitability of each individual product. A relevant example is the calculation of the contribution margin. It can be measured by subtracting the variable costs per unit from the selling price (Dynamic Business Plan, 2009), or in percentage form by dividing this result by the selling price and multiplying the outcome by 100 (Investopedia, 2009).
Considering that the firm includes the costs of materials, labor, and variable overhead in its calculation of the unit variable cost, the contribution margins for its four products are as follows: $38 for product A, $21 for product B, $29.50 for product C, and $26.50 for product D.
"Labor-only variable costs change margin values"
"Labor-hour method and two-pool allocation results"
"Conditions for accurate allocation and ABC overview"
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