Gator Beach Marts a chain of convenience grocery stores in the Fort Lauderdale area, has store hours that fluctuate from month to month as the tourist trade in the community varies. The utility costs for one of the companys stores are listed below for the past six months Total Hours Total Utility Month of Operation Cost January 55E) $3,476 February 696 3, 799 March 899 4,799 April 596 3,399 May 459 2,966 June 499 2,799 Required: 'l-a. Use the highelow method to estimate the cost behavior forthe store's utility costs Express the cost behavior in formula form (Y: a + bX). 1-b. What is the variable utility cost per hour of operation? 3-a. Construct an Excel spreadsheet and use the Excel commands to perform a leastaqua res regression Estimate the cost behavior for the store's utility cost. Express the cost behavior in formula form. 3-b. What is the variable utility cost per hour of operation? 4. During July. the store will be open 300 hours Predict the store's total utility cost for July using each of the costestimation methods employed in requirements (1) and (3) Complete this question by entering your answers in the tabs below. Req 1A Red 1E5 Req 3A Red 33 Req 4 Req 1A Req 1B Req 3A Req 3B Req 4 Use the high-low method to estimate the cost behavior for the store's utility costs. Express the cost behavior in formula form (Y = a + bx). Monthly utility cost = + XReq 1A Req 1B Req 3A Req 3B Reg 4 What is the variable utility cost per hour of operation? Variable cost per hourReq 1A Req 13 Req 3A Req BB Req 4 Construct an Excel spreadsheet and use the Excel commands to perform a leastsquares regression. Estimate the cost behavior for the store's utility cost. Express the cost behavior in formula form. {Do not round intermediate calculations. Round the intercept to the nearest whole number and the slope to two decimal places.) Req 1A Req 1B Req 3A Req 3B Req 4 What is the variable utility cost per hour of operation? (Do not round intermediate calculations. Round the intercept to the nearest whole number and the slope to two decimal places.) Variable utility cost per hourReq 1A Req 1B Req 3A Req 3B Req 4 During July, the store will be open 300 hours. Predict the store's total utility cost for July using each of the cost-estimation methods employed in requirements (1) and (3). (Do not round intermediate calculations. Round the intercept to the nearest whole number and the slope to two decimal places.) Cost Predictions High-low method Least-square regression