Confused on how to do this. Can someone please explain? Thanks!

Sales in Units Billing Costs Requirement 2 Billing costs for the past 5 years, along with total units sold follows: Year 2014 2013 2012 3,375 3,156 3,033 3,290 3,309 23,850 22,000 21,000 20422,750S 2010 23,000 Use the high-low method to calculate the following: Show your work in this area: ANSWER: 3 a. Variable billing cost per unit b. Total fixed billing costs 9 c. Total cost equation for billing costs , d. Determine the total number of units currently being sold. Then determine total billing costs for that level of sales. Insert your answer for 2)d. in the income statement above in the blank provided for Billing (Unknown B) 5 6 The company has been operating at a loss for several years. profitable Management is trying to determine what it can do to make next year