The surface tension of a liquid is $72.0 \text{ dyn/cm}$. Convert this to pounds-force per inch ($\text{lb}_f\text{/in}$). (Take $1 \text{ dyn} = 10^{-5} \text{ N}$, $1 \text{ N} \approx 0.224809 \text{ lb}_f$, and $1 \text{ in} = 2.54 \text{ cm}$)