Calculating the net costs of checking accounts

Determine the annual net cost of these checking accounts. A $"-"$ slgn must precede any negatlve net cost answers. Round your Intermedlate calculatlons to two declmal places.

a$.$ Monthly fee $$4,$ check$-$processing fee of $30$ cents, average of $27$ checks written per month. Round the answer to the nearest cent.

b$.$ Annual interest of $3\mathrm{.}5\%$ paid if balance exceeds $$500,$$$7$ monthly fee if account falls below minimum balance, average monthly balance $$595,$ account falls below $$500$ during five

months. Round the answer to the nearest cent.