an internet provider charges a $120 set-up fee and a $50 monthly fee. Find the cost C(t) of having a contract with this provider for t months. If a person has paid $770 to the internet provider, how manymonths has he had a contract with them?*****Find the cost C(t) of having a contract with this provider for t months.C(t)=(Simplify your answer.)If a person paid $770 to the internet provider, it means he has had a contract with them for months.(Simplify your answer. Type an integer or a decimal.)