Answer: Option C
Explanation: In simple words, expenses refers to outflow of money from the pockets or account of any individual or an entity with the objective of acquiring or producing something.
Manufacturing cost refers to the amount of resources that were out flowed the organisation while producing a good or service. Since the resources are getting out flowed, these costs are always recorded as expense over the operational life of the entity.
Labor cost, electricity bill of machines and purchase cost of raw materials etc are some of many examples of manufacturing cost.