diff --git a/Sales.SemanticModel/definition/tables/FactSales.tmdl b/Sales.SemanticModel/definition/tables/FactSales.tmdl
@@ -41,6 +41,14 @@ table FactSales
 	column DiscountPct
 		dataType: int64
 		summarizeBy: none
+
+	column 'Line Margin' = FactSales[Qty] * ( FactSales[UnitPriceUSD] - RELATED ( DimProduct[UnitCostUSD] ) )
+		dataType: double
+		summarizeBy: sum
+
+	column 'Order Year Text' = FORMAT ( FactSales[OrderDate], "yyyy" )
+		dataType: string
+		summarizeBy: none
diff --git a/Sales.SemanticModel/definition/tables/_Measures.tmdl b/Sales.SemanticModel/definition/tables/_Measures.tmdl
@@ -18,3 +18,22 @@ table _Measures
 		displayFolder: Sales
+
+	measure m1 = SUM ( FactSales[Line Margin] ) / [Gross Sales]
+		formatString: 0.0%
+
+	measure 'Margin %' = DIVIDE ( SUM ( FactSales[Line Margin] ), [Gross Sales] )
+		formatString: 0.0%
+		displayFolder: Sales
+
+	measure 'Sales 2026' = CALCULATE ( [Gross Sales], FactSales[Order Year Text] = "2026" )
+		formatString: \$#,0
+
+	measure 'Top Customer Sales' = MAXX ( DimCustomer, [Gross Sales] )
+		formatString: \$#,0
diff --git a/Sales.SemanticModel/definition/relationships.tmdl b/Sales.SemanticModel/definition/relationships.tmdl
@@ -12,6 +12,11 @@ relationship 3f2a9c11-6b7d-4e21-a5f0-0c9d2b8e7a33
 	toColumn: DimDate.Date
+
+relationship 8b1d2e3f-4a5b-4c6d-9e7f-0a1b2c3d4e5f
+	crossFilteringBehavior: bothDirections
+	fromColumn: FactSales.CustomerKey
+	toColumn: DimCustomer.CustomerKey