1. Monthly fee, $3.85; processing fee, $0.30 cents per check; checks written, an average of 20 a month.

Net Annual Cost:

2. Interest earnings of 7 percent with a $500 minimum balance; average monthly balance, $600; monthly service charge of $15 for falling below the minimum balance, which occurs three times a year (no interest earned in these months).

Net Annual Cost:

(Answer with 2 decimal places)