message: toFixed exchange rate
diff: @@ -79,7 +79,7 @@ export default class Row extends Component {
  }
  </td>
  <td>
  - { exchangeRate || (buyAmount.dividedBy(sellAmount)).toNumber().toFixed(5)}
  + { exchangeRate.toFixed(5) || (buyAmount.dividedBy(sellAmount)).toFixed(5)}
  {
  isMy ? (
  `${sellCurrency}/${buyCurrency}`
  