Chapter 11 – Decision Making with a Strategic Emphasis
Case 11-3: Special Order; Profitability Analysis; Strategy; Ethics
This case is presented as a somewhat longer, real-world example of textbook problems on
contribution margin analysis and relevance in decision-making. The approach taken by Superior Valve’s
managers was very traditional. Both operating and selling and general administration costs were separated
into two cost pools: costs expected to vary with short-run changes in production levels, and costs
expected not to vary with those changes. Variable overhead costs were applied to individual products on
the basis of direct labor cost. Fixed costs in each functional category were designated as either
discretionary or committed, and some committed fixed costs were assigned to product lines (but not
individual products) using arbitrary allocation bases.
The case does not mention any search for fundamental cost drivers or any attempt to identify the
activities caused by changes in those drivers. Students should question Jerry Conrad’s belief that the full
absorption costs computed for his division’s products were accurate, which can lead to a discussion of the
symptoms that often accompany a poorly designed or obsolete cost system. You might use this discussion
to introduce the activity-based approach to contribution margin analysis, in which costs are traced to
resources consumed by unit-level activities, batch-level activities, product-sustaining activities, product
line activities, plant-level activities, and, if desired, activities associated with individual customers,
distribution channels, or other cost objects. This approach gives managers much better insights into the
nature of their costs than those provided by the traditional volume-based system used at Superior Valve. It
also allows them to better match the revenue-generating and cost-causing activities of their organizations.
Question 1: Assume that inventories will not change during the year. Prepare budgeted
contribution approach product line income statements for the year ending 6/30/2013. Categorize
fixed costs as either discretionary or committed.
Figure 1 (p. 11-7) shows contribution approach income statements for each product line based on
the data given in the case. An additional line, perhaps labeled “contribution to committed fixed costs and
operating income,” could be shown after discretionary fixed costs. For purposes of analysis, this
statement is an improvement over the full absorption statement that it replaces in the management
reporting system. However, there is reason to question the accuracy of the cost attributions.
Field studies have demonstrated that many “fixed” costs are driven by diversity in products,
product lines, customers, and distribution channels. Superior Valve had a small number of product lines
but offered made-to-order valves as well as a full line of products within the standard Hydro-Con and
Question 2: Should Jerry Conrad decide to accept the Wadsworth Company special order? If so,
what will be the new Hydro-Con return on sales?
The Superior Valve staff conducted the following relevant income analysis of the Wadsworth Company
order:
Revenue (6,000 × $160) $960,000
Marginal costs:
Material $390,000
Direct labor 72,000
11-4
Education.