M5-15 (Static) Estimating Cost Behavior Using Least-Squares Regression [LO 5-4] Havana Hats makes the worid's best hats. Information for the last eight months follows: Suppose Hovano performed a least:squares regression and obtoined the following results: Required: Put Havana's results into a linear equation format (y=a+bx), Note: Round your final answers to 2 decimal places. Suppose Hevana performed a least-squares regression and obtained the following resuits: Required: Put Havana 's rethilts into a-finear equation format (y=a+by) Note: Round your final answers to 2 decimal places. Which method is most accurate? High-low method Pegression method