If a construction company adds $$50$ annually performing snow removal in the winter and the following is the cash flow value of the revenue, what is an annual equivalent series using an interest rate of $7\%?$

Years; $1,2=$ $$325,$ years $3,4=$ $$275,$ years $5,6=$ $$185?$

Question $4$ options:

A$)$

$$318$ no snow

B$)$

$$1,717$ fog

C$)$

$$1,277$ rain

D$)$

$$268$ sunny