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Supply costs at First Fitness Corporation's chain of gyms are listed below: Supply Cost $28,561 $28,395 $28,819 $28,892 $28,622 $28,221 $28,820 $28.578 $28.703 March April May.. June. July August September October. November Client-Visits 11,647 11,443 11,975 12,088 11,707 11,193 11,987 11,678 11,826 Management believes that supply cost is a mixed cost that depends on client-visits. Using the high-low method to estimate the variable and fixed components of this cost, determine the cost equation to represent the mixed cost. Round your answers to the nearest cent.