(W: Excuse me. I just received my telephone bill, and there's a problem with it. M : May I see your bill, please? W: Certainly. There it is. On July 1st, I really don ? t know anybody in Finland. M : OK, don ? t worry. I? 11 take the call off. Let's see...it was $42. Your bill was $66.10 minus $42, so your new total is $24.10. I'm very sorry about the mistake. W: That' s OK. It wasn ' t your fault.) How much is the woman 's new bill?