Type Mismatch on Variant

Public Sub StoreMargin(BegDate1, EndDate1, Cell1)

Dim conSQL, conSQLCost As ADODB.Connection
Dim strSQL, strSQLCost As String
Dim i As Integer
Dim Total, TotalCost, Margin As Variant
Dim rs, rsCost As ADODB.Recordset
Total = 0
i = 0

Set conSQL = New ADODB.Connection
conSQL.Open "Server=THEDUB;DRIVER=SQL Server;Database=***;Password=***;User ID=***"
   
strSQL = "Select Sum(PUBLIC_TransactionEntry.Quantity * PUBLIC_TransactionEntry.price) AS sum_sales" & _
  " From PUBLIC_Transaction Inner Join" & _
  " PUBLIC_TransactionEntry On PUBLIC_Transaction.TransactionNumber =" & _
  " PUBLIC_TransactionEntry.TransactionNumber Inner Join" & _
  " PUBLIC_Item On PUBLIC_TransactionEntry.ItemID = PUBLIC_Item.ID Inner Join" & _
  " PUBLIC_Department On PUBLIC_Item.DepartmentID = PUBLIC_Department.ID" & _
  " WHERE PUBLIC_Department.Name NOT LIKE '%Gift%Card%' " & _
  " AND PUBLIC_Transaction.Time >= (" & BegDate1 & ")" & _
  " AND PUBLIC_Transaction.Time <  (" & EndDate1 & ")" & _
  " AND PUBLIC_Department.Code NOT Like 'E/%'" & _
  " AND PUBLIC_Department.code NOT Like 'T/%'"
    
  Set rs = New ADODB.Recordset
  rs.Open strSQL, conSQL, adOpenStatic, adLockOptimistic
     
  If Not rs.EOF Then
    Total = rs.GetRows(-1, 1, "sum_sales")
  Else
    Total = 0
  End If

  
Set conSQLCost = New ADODB.Connection
conSQLCost.Open "Server=***;DRIVER=SQL Server;Database=***;Password=***;User ID=***"

strSQLCost = "Select Sum(PUBLIC_TransactionEntry.Quantity * PUBLIC_TransactionEntry.cost) AS sum_cost" & _
  " From PUBLIC_Transaction Inner Join" & _
  " PUBLIC_TransactionEntry On PUBLIC_Transaction.TransactionNumber =" & _
  " PUBLIC_TransactionEntry.TransactionNumber Inner Join" & _
  " PUBLIC_Item On PUBLIC_TransactionEntry.ItemID = PUBLIC_Item.ID Inner Join" & _
  " PUBLIC_Department On PUBLIC_Item.DepartmentID = PUBLIC_Department.ID" & _
  " WHERE PUBLIC_Department.Name NOT LIKE '%Gift%Card%' " & _
  " AND PUBLIC_Transaction.Time >= (" & BegDate1 & ")" & _
  " AND PUBLIC_Transaction.Time <  (" & EndDate1 & ")" & _
  " AND PUBLIC_Department.Code NOT Like 'E/%'" & _
  " AND PUBLIC_Department.code NOT Like 'T/%'"
    
  Set rsCost = New ADODB.Recordset
  rsCost.Open strSQLCost, conSQLCost, adOpenStatic, adLockOptimistic
     
  If Not rsCost.EOF Then
    TotalCost = rsCost.GetRows(-1, 1, "sum_cost")
  Else
    TotalCost = 0
  End If
  
 ' If Total <> 0 Then
    Margin = (Total - TotalCost) / Total
    Range(Cell1).Value = Margin
 ' Else
 '   Range(Cell1).Value = 0
 ' End If
  conSQL.Close
  conSQLCost.Close

End Sub

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