A firm's year-end balance sheet shows retained earnings of $92,000, current liabilities of $150,000, cash (all unrestricted) of $21,000, long-term investments of $60,000, long-term debt of $275,000, and plant, property, and equipment (net of accumulated depreciation) of $410,000. Its current assets are $360,000. What is total shareholders' equity?

As sales exceed the break‑even point, a high contribution‑margin percentage (a) increases profits faster than does a low contribution-margin percentage (b) increases profits at the same rate as a low contribution-margin percentage (c) decreases profits at the same rate as a low contribution-margin percentage (d) increases profits slower than does a low contribution-margin percentage