mansfield pharmaceuticals markets zipro, an antibiotic. the firm has fixed costs of $1,000,000 and variable costs of $2 per bottle of 50 tablets priced at $10 per bottle. what is the break-even volume?mansfield pharmaceuticals markets zipro, an antibiotic. the firm has fixed costs of $1,000,000 and variable costs of $2 per bottle of 50 tablets priced at $10 per bottle. what is the break-even volume?