diff --git a/erpnext/accounts/report/gross_profit/gross_profit.py b/erpnext/accounts/report/gross_profit/gross_profit.py
index a9039a9cadaceff86c08bdb95f38a9add9e84cb0..5ba1e41b62440a5b77df596d229a151d2ae57df1 100644
--- a/erpnext/accounts/report/gross_profit/gross_profit.py
+++ b/erpnext/accounts/report/gross_profit/gross_profit.py
@@ -440,6 +440,7 @@ class GrossProfitGenerator:
 
 		if grouped_by_invoice:
 			buying_amount = 0
+			base_amount = 0
 
 		for row in reversed(self.si_list):
 			if self.filters.get("group_by") == "Monthly":
@@ -480,12 +481,11 @@ class GrossProfitGenerator:
 			else:
 				row.buying_amount = flt(self.get_buying_amount(row, row.item_code), self.currency_precision)
 
-			if grouped_by_invoice:
-				if row.indent == 1.0:
-					buying_amount += row.buying_amount
-				elif row.indent == 0.0:
-					row.buying_amount = buying_amount
-					buying_amount = 0
+			if grouped_by_invoice and row.indent == 0.0:
+				row.buying_amount = buying_amount
+				row.base_amount = base_amount
+				buying_amount = 0
+				base_amount = 0
 
 			# get buying rate
 			if flt(row.qty):
@@ -495,11 +495,19 @@ class GrossProfitGenerator:
 				if self.is_not_invoice_row(row):
 					row.buying_rate, row.base_rate = 0.0, 0.0
 
+			if self.is_not_invoice_row(row):
+				self.update_return_invoices(row)
+
+			if grouped_by_invoice and row.indent == 1.0:
+				buying_amount += row.buying_amount
+				base_amount += row.base_amount
+
 			# calculate gross profit
 			row.gross_profit = flt(row.base_amount - row.buying_amount, self.currency_precision)
 			if row.base_amount:
 				row.gross_profit_percent = flt(
-					(row.gross_profit / row.base_amount) * 100.0, self.currency_precision
+					(row.gross_profit / row.base_amount) * 100.0,
+					self.currency_precision,
 				)
 			else:
 				row.gross_profit_percent = 0.0
@@ -510,33 +518,29 @@ class GrossProfitGenerator:
 		if self.grouped:
 			self.get_average_rate_based_on_group_by()
 
+	def update_return_invoices(self, row):
+		if row.parent in self.returned_invoices and row.item_code in self.returned_invoices[row.parent]:
+			returned_item_rows = self.returned_invoices[row.parent][row.item_code]
+			for returned_item_row in returned_item_rows:
+				# returned_items 'qty' should be stateful
+				if returned_item_row.qty != 0:
+					if row.qty >= abs(returned_item_row.qty):
+						row.qty += returned_item_row.qty
+						row.base_amount += flt(returned_item_row.base_amount, self.currency_precision)
+						returned_item_row.qty = 0
+						returned_item_row.base_amount = 0
+
+					else:
+						row.qty = 0
+						row.base_amount = 0
+						returned_item_row.qty += row.qty
+						returned_item_row.base_amount += row.base_amount
+
+			row.buying_amount = flt(flt(row.qty) * flt(row.buying_rate), self.currency_precision)
+
 	def get_average_rate_based_on_group_by(self):
 		for key in list(self.grouped):
-			if self.filters.get("group_by") == "Invoice":
-				for row in self.grouped[key]:
-					if row.indent == 1.0:
-						if (
-							row.parent in self.returned_invoices
-							and row.item_code in self.returned_invoices[row.parent]
-						):
-							returned_item_rows = self.returned_invoices[row.parent][row.item_code]
-							for returned_item_row in returned_item_rows:
-								# returned_items 'qty' should be stateful
-								if returned_item_row.qty != 0:
-									if row.qty >= abs(returned_item_row.qty):
-										row.qty += returned_item_row.qty
-										returned_item_row.qty = 0
-									else:
-										row.qty = 0
-										returned_item_row.qty += row.qty
-								row.base_amount += flt(returned_item_row.base_amount, self.currency_precision)
-							row.buying_amount = flt(
-								flt(row.qty) * flt(row.buying_rate), self.currency_precision
-							)
-						if flt(row.qty) or row.base_amount:
-							row = self.set_average_rate(row)
-							self.grouped_data.append(row)
-			elif self.filters.get("group_by") == "Payment Term":
+			if self.filters.get("group_by") == "Payment Term":
 				for i, row in enumerate(self.grouped[key]):
 					invoice_portion = 0
 
@@ -556,7 +560,7 @@ class GrossProfitGenerator:
 
 				new_row = self.set_average_rate(new_row)
 				self.grouped_data.append(new_row)
-			else:
+			elif self.filters.get("group_by") != "Invoice":
 				for i, row in enumerate(self.grouped[key]):
 					if i == 0:
 						new_row = row
diff --git a/erpnext/accounts/report/gross_profit/test_gross_profit.py b/erpnext/accounts/report/gross_profit/test_gross_profit.py
index 81e4aea6c4af8ebb6492f7c9a3d33b1827100ab2..0796435267bd28a4e15ec452664b1013715f366a 100644
--- a/erpnext/accounts/report/gross_profit/test_gross_profit.py
+++ b/erpnext/accounts/report/gross_profit/test_gross_profit.py
@@ -427,12 +427,12 @@ class TestGrossProfit(IntegrationTestCase):
 			"item_name": self.item,
 			"warehouse": "Stores - _GP",
 			"qty": 0.0,
-			"avg._selling_rate": 0.0,
+			"avg._selling_rate": 100,
 			"valuation_rate": 0.0,
-			"selling_amount": -100.0,
+			"selling_amount": 0.0,
 			"buying_amount": 0.0,
-			"gross_profit": -100.0,
-			"gross_profit_%": 100.0,
+			"gross_profit": 0.0,
+			"gross_profit_%": 0.0,
 		}
 		gp_entry = [x for x in data if x.parent_invoice == sinv.name]
 		# Both items of Invoice should have '0' qty