You are considering installing solar roof panels at your house. The total initial costs are estimated to be around $$12,000.$ The maintenance cost is $$20$ each month. If you expect to use these solar roof panels for $30$ years, what is your equivalent annual cost $($EAC$)$ each MONTH, using a $6\%$ annual discount rate?

Group of answer choices

$$62\mathrm{.}98$

$$91\mathrm{.}95$

$$84\mathrm{.}16$

$$73\mathrm{.}40$