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 Month of Operation January 500 February 600 March 800 April 450 May 400 June 350 Total Utility Cost $2,520 2,800 3,400 2,450 2,150 2,050 Req 1A Req 1B Req 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.) Jariable utility cost per hour Req 1A Req 1B Req Req 3B Req 4 Construct an Excel spreadsheet and use the Excel commands to perform a least-squares 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.) Monthly utility cost = Req 1A Req 1B Req 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 east-square regression