AME ENGAGE Engli Marcie Publishing Company (Marcie) is a publisher of novels. The monthly equipment maintenance cost for Marcie is considered to be a mixed cost. The variable portion of the cost is related to the number of novels published. The production volume and maintenance costs for the past six months are presented below. Marcie uses the high-low method to separate mixed costs into its fixed and variable portions. Month Volume of Production (Number of Novels) Equipment Maintenance Costs March 276,000 $7,435 April 246,000 $6,948 May 361,000 $8,813 June 76,000 $4,191 July 571,000 $12,220 August 270,000 $7,337 Do not enter dollar signs or commas in the input boxes. a) Calculate the variable rate for the equipment maintenance cost. Round your answer to 5 decimal places. Variable Cost per Unit: $ b) Calculate the fixed portion of the equipment maintenance cost. Round your answer to the nearest whole number. Do not enter dollar signs or commas in the input boxes. a) Calculate the variable rate for the equipment maintenance cost. Round your answer to 5 decimal places. Variable Cost per Unit: $ b) Calculate the fixed portion of the equipment maintenance cost. Round your answer to the nearest whole number. Fixed Cost: $ c) Assume that 420,000 novels is the budgeted production level for August. Using the results of the high-low method in parts a) and b), what is the expected total equipment maintenance cost for August? Round your answer to 2 decimal places. Expected total equipment maintenance cost for August: $