I’m think it’s b but I’m not sure
The knowledge of cost behavior is important for managerial decision making as, having a thorough knowledge about this enables the manager to predict whether any costs will decrease or increase as business activity changes.
For instance, if a production line is nearing capacity, the relevant cost behavior would be to expect a large cost increase (to pay for an equipment expansion) if incremental demand increased by a small amount. Understanding cost behavior is an essential component of cost-volume-profit analysis.
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An archipelago (/ˌɑːrkɪˈpɛləɡoʊ/ ( listen) ARK-ih-PEL-ə-goh), sometimes called an island group or island chain, is a chain, cluster or collection of islands, or sometimes a sea containing a small number of scattered islands.
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