Chloe's Cafe bakes croissants that it sells to local restaurants and grocery stores. The average costs to bake the croissants are $$0\mathrm{.}35$

for $3,200$ and $$0\mathrm{.}30$ for $6,400.$

Required:

If the total cost function for croissants is linear, what will be the average cost to bake $5,600?($Do not round intermediate calculations.

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

Average cost