Havana Hats makes the world's best hats. Information for the last eight months follows: Month January Number of Hats Produced February March April May June July August Required: Total Cost 8,000 $ 7,000 4,500 5,000 7,000 6,250 8,600 7,750 3,750 5,000 6,000 6,250 3,000 4,250 5,000 5,750 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 3 decimal places. Variable cost per unit Total fixed cost