Safe Harbor Company prepared the following income statement for 2017: SAFE HARBOR COMPANY Income Statement For the Year Ended December 31, 2017 Sales (20,000 units)............................................................................................. $600,000 Variable expenses............................................................................................... 360,000 Contribution margin............................................................................................. 240,000 Fixed expenses.................................................................................................... 150,000 Net income........................................................................................................... $ 90,000 Instructions: Answer the following independent questions and show computations to support your answers. 1. What is the company's break-even point in units? 2. How many more units would the company have had to sell to earn net income of $150,000 in 2017? 3. If the company expects a 25% increase in sales in 2018, what would be the expected net income in 2018? 4. How much sales dollars would the company have to generate in order to earn a target net income of $160,000 in 2018?