Chloe's Cafe bakes croissants that it sells to local restaurants and grocery stores. The average costs to bake the croissants are $0.45 for 3,400 and $0.40 for 6,800 . Required: If the total cost function for croissants is linear, what will be the average cost to bake 6,000? (Do not round intermediate calculations. Round your final answer to 4 decimal places.)