*This is all the info provided in the question*

Allison will also be selling ice cream at the market this summer. She will sell her cones in a small store inside one of the market buildings. Fortunately, the store is air conditioned but can only hold a maximum of 6 clients, including the one being served. In addition to the waiting cost of 25 per minute per customer, the owners consider it a loss when a client is blocked out of the store. This is estimated at $5 per blocked client.

A) $35.35 B) $46.10 C) $51.80 D) $62.90 E) $75.00