need help with question 13

Select the term from the list provided that best matches the following descriotions Fixed cost Multiple Choice The way a cont chenges relative to change in a measure of actity Couts compoied of both freed and vansele conponenti. A comporyn cost miker reiative proporsen of variste and fised coust to toan cobsk The afference between s compbryis sies revenue and ta varuoce cos? A cost that charget in ised an tilect oregortion tas thonget in wouse