13) Which of the following costs are variable? Cost 10.000 Units 1. $100,000 2. 40,000 3. 90,000 4. 50,000 30.000 Units $300,000 240,000 90,000 150,000 14) Which one of the following is a name for the range over which a company expects to operate? a Mixed range b. Fixed range c. Variable range d. Relevant range