The C&A system of Deckungbeitrag (Contribution $s or Fund $) and Opportunity Costs is based on a planning and evaluation system which is different than conventional retailing.
In Dutch: "Rekenen in Centen, in plaats van Procenten." Counting money instead of comparing margin BCP %s.
Meters are the Alpha and Omega means you start your planning with the number of square meters of retail space you intend to use and how many gross margin $s you hope to generate.
Planning framework: Less is more
Conventional "bricks" retail planning starts with sales. Online retailers consider sales (what they refer to as "Gross Merchandise Value" a footnote. https://en.wikipedia.org/wiki/Gross_merchandise_volume
Revenue (Sales or Gross Merchandise Volume GMV) is largely irrelevant for assortment decision making. The reason is that a retailer is a conduit for payment by the customer to the manufacturer. The amount involved in this payment, Cost of Goods Sold, is irrelevant for a retailer’s Bottom Line result, which is Gross Margin $ - Operating Expense $. To optimize assortment decision making for a store, managers should consider the Dollar Contribution of products (Fund) and the possible Opportunity Cost incurred when choosing one option over another.
Gross margin dollars (Fund) Last Year Next Year
- Operating expenses Last Year Next Year
= Net Earnings Last Year Next Year
If the number of stores (square meters) is unchanged, then the target should be to increase Gross margin dollars (Fund) and decrease Operating Expenses.
When considering merchandise options and evaluating performance gross margin $ per sqm is the yardstick to compare different options.
Also $ gm per hanger (piece in stock).
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