<prompt> Translate the following text to EnglishKwa kuwa hesabu ya akaunti inaongezeka, kiwango cha riba huongezeka pia, hadi kiwango cha juu cha maji cha 1.98 kwa akaunti zilizo na hesabu ya 250,000 au zaidi.  <response>: As the balance in the account goes up, the interest rate goes up as well, to a high- water mark of 1.98 percent for accounts with balances of 250,000 or more. 