1) (Ch. 2) Data for Cost A and Cost B appear below: Units Produced Cost Per Unit Total Cost Cost A ? $10 10 $100 100 $1,000 1,000 ? $10,000 Cost B $5,000 10 $500 100 $50 1,000 $5 Which of the following statements best describes the behavior of Costs A and B? (A) Cost A is fixed, Cost B is variable. (B) Cost A is variable, Cost B is fixed. (C) Both Cost A and Cost B are variable. Both Cost A and Cost B are fixed