Foxy Emma Jane wrote:
> So I put 600,000 yen in a Japanese Bank's "saving" account.
>
> 1. After 4 months how much interest had I earned?

Assuming a lump sum deposit into an ordinary savings account having the
average interest rate of 0.003% per annum, after four months you will have
earned six yen. How close did I get?

Source: http://www.boj.or.jp/stat/kinri/te030604_f.htm

> 2. Where should I have put the money?

Outside Japan. My checking accout has a 1.31% APY. Put the money there.

-- 
Kevin Gowen