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2. ABC's income statement is as follows: 2019 2020 Sales (units) 2,600 3,500 Sales revenue $ 130,000 $ 175,000 Total expenses 110,000 128,000 Net income $ 20,000 $ 47,000 Use the high-low method to estimate variable and fixed costs for 2020. b. What assumptions did you make in answering the previous question? c. In what cases might it be unwise to use high-low analysis to estimate coststructure (fixed versus variable)? d. What is the break-even point in 2020