A Golf Shoe Manufacturer Makes and Sells Thousands of Golf

A golf shoe manufacturer makes and sells thousands of golf shoes each year through two channels: wholesale to sporting good stores and direct to consumers through it's custom portal. Customers can specify modifications to 6 basic golf shoe models including spiked or spikeless, traditional or casual, even laced or other closures. From there, customers can specify many details to their preferred model such as size and width (different for each foot) , favorite colors for the base, saddle, accents and laces. A customer can choose to embroidered a name or initials or include the logo of their favorite MLB, NFL, NHL or NCAA team. Which of the following costing systems would make the most sense for the custom golf shoe operation and the main product operation (not customized/wholesale) ?

A) Operation-costing and job costing
B) job costing for both operations
C) Operation-costing and process costing
D) process costing for both operations