11. She argued that BofA underpaid because it used only simple interest in refunding the overcharged fees. 12. Charge them 8 % simple interest . talk ) 21 : 02, 21 October 2010 ( UTC) 13. By May his debt ( with 10 % simple interest per month ) has grown to ?100. 14. Thus this account has a 6 percent simple interest rate, and a 6.17 percent annual percentage rate. 15. Bernoulli noticed that this sequence approaches a limit ( the simple interest , will yield dollars with continuous compounding. 16. :charge them simple interest , not compound. 17. The amount in 2012 would be about 112 million euros ( $ 136.79 million ), with simple interest . 18. But Nickel's attorney, Robert Mills of Greenbrae, argued that " using simple interest was a completely inadequate remedy. 19. In all cases, though, their central attraction is that they take simple interest rate swings and accelerate the moves. 20. Thus this account has a 6 percent simple interest rate, and a 6 . 17 percent annual percentage rate.