anchor.diff:          <% payrolls.each do |p| %>
             <% if p.is_bonus? and p.ym == finder.ym_range[5] %>
               <%
  -              total_health_insurance_by_ym[finder.ym_range[5]] += p.journaled_health_insurance_company
  -              total_welfare_pension_by_ym[finder.ym_range[5]] += p.journaled_welfare_pension_company
  +              total_health_insurance_by_bonus[:bonus_1] += p.journaled_health_insurance_company
  +              total_welfare_pension_by_bonus[:bonus_1] += p.journaled_welfare_pension_company
               %>
               <td class="text-center"><%= to_amount(p.journaled_health_insurance_company) %></td>
               <td class="text-center"><%= to_amount(p.journaled_welfare_pension_company) %></td>
  
positive.code:         <td class="text-center"><%= to_amount(total_health_insurance_by_ym[ym]) %></td>
          <td class="text-center"><%= to_amount(total_welfare_pension_by_ym[ym]) %></td>
        <% end %>
      </tr>
      <tr>
        <td colspan="2" class="nowrap text-center">児童手当</td>
  
negative.code:         <% payrolls.each do |p| %>
            <% if p.is_bonus? and p.ym == finder.ym_range[5] %>
              <%
                total_health_insurance_by_bonus[:bonus_1] += p.journaled_health_insurance_employee
                total_welfare_pension_by_bonus[:bonus_1] += p.journaled_welfare_pension_employee
              %>
              <td class="text-center"><%= to_amount(p.journaled_health_insurance_employee) %></td>
              <td class="text-center"><%= to_amount(p.journaled_welfare_pension_employee) %></td>
  