Please answer the last two questions- do not attempt if you cannot properly answer the last two questions.

Scatter Diagrams and High-Low Cost Estimation From April 1 through October 31, Coles County Highway Department hires temporary employees to mow and clean the right-of- Commissioner has asked you to help her in determining the variable labor cost of mowing and cleaning a mile of road. The follow operations: Miles Mowed Labor Month and Cleaned Costs April 240 $6,800 May 305 7,680 June 325 8,310 275 7,200 July August 220 6,550 September 200 5,760 October 75 4,960 Use the information from the high- and low-volume months to develop a cost-estimating equation for monthly labor costs. Monthly labor costs $ 3,955 $ 13.4 X Plot the data on a scatter diagram. Using the information from representative high- and low volume months, use the high-low m monthly labor costs. Monthly labor costs = $ x + $ x x Adjust the equation developed in requirement (b) to incorporate the effect of an anticipated 5% increase in wages. Monthly labor costs = $ x + $ x x