Please answer the following.

1. Classify the total costs of each of the following as variable, fixed, or mixed. Sales volume is the cost driver. Please note any assumptions or comments you deem necessary in the space at the bottom of the page. Wages of machine operator who is paid based on number of units produced on the machine Keyboards purchased from a subcontract supplier in a computer assembly plant c. Annual salary for the vice president of manufacturing d. Electric power in a factory w Water consumed by the plant, which is based on a flat fee plus actual consumption Overhead costs in the factory for incidental components such as small screws and rivets. bio- Fire insurance on factory building