Variable cost: increases on a per unit basis as the number of units produced increases. decreases on a per unit basis as the number of units produced increases. remains constant on a per unit basis as the number of units produced increases. remains the same in total as production increases.

Variable cost:
 
increases on a per unit basis as the number of units produced increases.
 
decreases on a per unit basis as the number of units produced increases.
 
remains constant on a per unit basis as the number of units produced increases.
 
remains the same in total as production increases.
                                        


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