Chloe's Cafe bakes crolssants that it sells to local restaurants and grocery stores. The average costs to bake the

croissants are $$0\mathrm{.}60$ for $3,700$ and $$0\mathrm{.}55$ for $7,400.$

Required:

If the total cost function for crolssants is linear, what will be the average cost to bake $6,600?($Do not round

Intermediate calculations. Round your final answer to $4$ decimal places.$)$