Havana Hats makes the world's best hats. Information for the last eight months follows: Number of Hats Month January February March April May June July August Produced Total Cost 2,700 $ 4,500 4,550 7,850 5,900 8,900 3,360 5,750 4,350 7,300 2,950 5,000 6,100 9,110 2,400 4,300 Required: Using the high-low method, calculate the variable cost per hat and total fixed cost per month. Note: Round your "Variable cost per unit" answer to 2 decimal places. Variable cost per unit Fixed cost