change dailysale report and check tax in add to existing

app/views/reports/dailysale/index.xls.erb

@@ -118,6 +118,7 @@
 								</tr>
 
 								<% total_tax = 0 %>
+								<% net = 0 %>
 								<% unless @tax.empty? %>
 								<% @tax.each do |tax| %>
 								<% total_tax += tax.tax_amount.to_f %>
@@ -128,7 +129,9 @@
 								</tr>
 
 								<% end %>
-								<% net = total - total_tax %>
+								<% net = grand_total %>
+								<% net = net - rounding_adj%>
+								<% net = net - total_tax %>
 								<tr style="font-weight:600;">
 									<td colspan="12" style='text-align:right;'><%= t("views.right_panel.detail.net_amount") %></td>
 									<td style='text-align:right;'><%= number_with_delimiter(sprintf("%.2f",net), :delimiter => ',') rescue '-'%></td>