Solve the Problem $\mathrm { c } = 36 ( \mathrm { n } + 144 ) ^ { 1 / 2 }$

Multiple Choice

Solve the problem.
-The cost of manufacturing clocks is given by $\mathrm { c } = 36 ( \mathrm { n } + 144 ) ^ { 1 / 2 }$ , where $\mathrm { c }$ is the cost in dollars and $\mathrm { n }$ is the number produced. What is the cost when no clocks are produced?

A) $\$ 36$
B) $\$ 432$
C) $\$ 5184$
D) $\$ 72$