Break-even chart Name the following chart, and identify the items represented by the letters (a) through (f): Sales and Costs $200,000 $150,000 $100,000 $50,000 b d 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 90,000 100,000 Units of Sales Name the chart pictured above. Cost-volume-profit chart Identify the items represented by the letters (a)-(f) shown above.