This is my final, please please double check your answer thank you so much

QUESTION :

"Choose the correct description of variable and fixed costs.?"

ANSWERS:

A) A variable cost is considered to be a unit cost, such as the per-attendee-cost of hiring a musical group to perform at an event. A fixed cost is considered to be a total cost, such as the total fee paid to the musical group for performing at the event.

B) A variable cost changes in total in proportion to changes in the related level of total activity or volume, such as a sales commission that is a percentage of each sales revenue dollar. A fixed cost remains unchanged in total for a given timeperiod, despite wide changes in the related level of total activity or volume, such as a fixed annual leasing cost of a machine.

C) A variable cost is related to a particular cost object and can be traced to it in an economically feasible way, such as the cost of steel in the manufacturing of a luxury car. A fixed cost is related to a particular cost object but cannot be traced to it in an economically feasible way, such as the salary of a plant manager who oversees production of many different types of luxury cars produced at the same plant.

D) All of the above.

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