d for each dollar
earned between the lower and upper bounds for non-principal carers.</p></td>
    </tr>
    <tr>
      <th>taper_upper</th>
      <td><p>The amount at which the payment is reduced for each dollar
earned above the upper bound for non-principal carers.</p></td>
    </tr>
    <tr>
      <th>taper_principal_carer</th>
      <td><p>The amount at which the payment is reduced for
each dollar earned above the lower bound for principal carers.</p></td>
    </tr>
    <tr>
      <th>per</th>
      <td