By Carol Coultas , Business Writer
Sunday, August 10, 2008

So you think you know what an annuity is? How about the advantages of a 15-year mortgage over a 30? What's magical about a credit score of 700?

You might know the answers to those financial questions, and dozens of others, if you hung around Androscoggin Bank's booth at the Business to Business trade show earlier this summer. Their display - a money tree, festooned with envelopes hung like Christmas decorations - encouraged people to prove their financial acumen. Pluck an envelope, answer the question, win a prize.