The Taste Delight Bakery produces q large chocolate cakes at a cost of $11.38 each and sells (q-3) of them for $21.00 each. The other three cakes are used for display purposes then donated to a charity food bank. The bakery has fixed costs of $2108 per week for rent and $1547 for labour. How many chocolate cakes must it produce per week to break even, assuming the cakes are the only product?