high-low cost estimation and profit planning comparative income statements for bismark products inc. follow: bismark products inc. comparative income statements for years ending december 31 year 1 year 2 unit sales 6,250 9,375 sales revenue $ 100,000 $ 150,000 expenses (85,000) (105,000) profit (loss) $ 15,000 $ 45,000 note: round up answers to the nearest unit. (a) determine the break-even point in units. answer units (b) determine the unit sales volume required to earn a pretax profit of $25,000. answer units check previoussave answersnext