Answer the Question $c = 16 \sqrt { n } + 169$

Multiple Choice

Answer the question.
-A retailer finds that total costs per day are given by $c = 16 \sqrt { n } + 169$ , where $c$ is cost and $n$ is units sold. What is $c$ when no units are sold?

A) $\$ 169$
B) $\$ 52$
C) $\$ 208$
D) $\$ 185$