Answer:
Non rival and non excludable
Step-by-step explanation:
if the visual appearance is classified as a public good, then it is non-rival and non excludable.
In economics, a public good is described with these two characteristics. such goods are non rivalrous and also without excludability.
if mr A is using such a good, it does not prevent mr B from using it also. Also Mr A cannot exclude Mr B from using it
the benefit of the beautification initiative = $18*300
= 5400