[Solved] The stages of David Reed's Erotic Stimulus Pathway Theory are _________. A)seduction, sensations, surrender, reflection B)excitement, sensations, surrender, resolution C)desire, excitement, orgasm, surrender D)excitement, plateau, orgasm, resolution Materials Cost: The total expense incurred for materials that are used in the production of goods or services. Work in Process: Inventory that is in the production process but is not yet completed. Equivalent Units: Equivalent units are a concept in cost accounting used to apportion costs to partially completed goods, calculating them as if they were finished units. Conversion Costs: The combined costs of direct labor and manufacturing overheads, representing the costs involved in converting raw materials into finished products.