I have attached a word document with three questions. thank-you.

1. Which of the following best describes the term \"relevant range\". a) b) c) d) The relevant range refers to the range of fixed cost present in an organization. The relevant range pertains to a single unit of product The relevant range is the range of output over which cost assumptions are valid. The relevant range is the same for all products a company may produce. 2. You must Show All Your Work. ABC Company, which began operations on January 1 of the current year, produces office chairs that sells for $320 per unit. Information related to the current year's activities follows: Number of units Produced Number of units sold Variable cost per unit: Direct materials Direct Labor Variable Manufacturing Overhead Annual Fixed costs: Fixed Manufacturing Overhead Fixed Selling and Administrative costs 10,000 9,000 $80 20 10 $300,00 0 $200,00 0 ABC Company carries its finished-goods inventory at the average unit cost of production. There was no work in process at year-end. Required: Calculate the following (Make sure you show your work). A. Compute the company's average unit cost of production. B. Determine the cost of the December 31 finished-goods inventory. C. Compute the company's cost of goods sold. D. Compute the operating income. 3. Why are actual cost systems rare in practice? a) It is difficult to obtain actual cost information for prime costs. b) It is difficult to obtain actual cost information for conversion costs. c) Prime costs cannot easily be assigned to products and services. d) Accurate cost information cannot be obtained on a timely basis