This article has been adapted from specific stair and railing specifications that are similar among codes and countries (but not identical). -- IBC, IRC, BOCA, Kingston NY Stair Code, New York State Residential Building Code for Stairs (included here), Florida, Pennsylvania, New Jersey, & other sources.
Average APY. According to CNN Money, the average annual percentage yield on a savings account in the United States was just 0.06 percent in 2013. This means that if you nested away $100,000 in the average savings account, it would net you an additional $60 in interest over the course of one year.
But you might be able to get a higher interest rate than the one you've settled for. The average savings account has a measly 0.06% APY (annual percentage yield, or interest), and many of the nation's biggest banks pay rates as low as 0.01%. But there are actually some accounts that pay yields closer to 1%.