Answer:
d. economies of scope.
Step-by-step explanation:
Process costing can be defined as a cost accounting method used for assigning manufacturing or production costs to the units of goods produced by a business firm over a specific period of time. It is mostly used by firms that produce a large quantity of homogeneous or similar products on a continuous basis. Process costing typically uses more than one Work in Process Inventory account because costing at each stage of production or manufacturing process.
Hence, processes that can produce a range of products are said to have economies of scope.