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The figure below shows graphs of the total cost and revenue functions, and the fixed cost for a certain commodity. Capacity is 18 units. Click on the magnifying glass icon on the bottom right corner of the graph if you want to magnify the image. (a) What is the break-even volume (level of output)? units (b) What is the break-even revenue? (a) What is the break-even volume (level of output)? units (b) What is the break-even revenue? $ (c) What is the break-even volume as a percent of capacity? \% (as a percentage rounded to two decimal places)