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.
Average Interest Rates for High Balance Savings Accounts. Approximately 15% of Americans have over $10,000 tucked away in their savings accounts, enough to qualify for the higher interest rates. These increases are divided across multiple tiers. Here are some examples of interest rate increases for differing minimum balances that we found in America's top bank.