diff --git a/UnitTestProject/LinqUnitTests.cs b/UnitTestProject/LinqUnitTests.cs
index decf5bd..4a55d16 100644
--- a/UnitTestProject/LinqUnitTests.cs
+++ b/UnitTestProject/LinqUnitTests.cs
@@ -20,6 +20,9 @@ public class LinqUnitTests
         private List<Transaction> transactions;
         private List<Transaction> originalTransactions;
 
+        private const string PRODUCT_NAME_CHIPS = "Chips";
+        private const string USERNAME_JASON = "Jason";
+
         [SetUp]
         public void Test_Initialize()
         {
@@ -66,7 +69,7 @@ public void Test_WhatIsTheTotalNumberOfTransactions()
         [Test]
         public void Test_WhatIsTheTotalQuantityPurchased()
         {
-            var result = ""; // TODO
+            var result = transactions.Sum(s => s.Quantity);
 
             Assert.AreEqual(3001, result);
         }
@@ -74,7 +77,9 @@ public void Test_WhatIsTheTotalQuantityPurchased()
         [Test]
         public void Test_WhatIsTheTotalQuantityPurchasedIn2016()
         {
-            var result = ""; // TODO
+            var result = transactions
+                .Where(s => s.Date.Year == 2016)
+                .Sum(s => s.Quantity);
 
             Assert.AreEqual(1160, result);
         }
@@ -82,15 +87,17 @@ public void Test_WhatIsTheTotalQuantityPurchasedIn2016()
         [Test]
         public void Test_WhatIsTheTotalQuantityPurchasedInThePast7Days()
         {
-            var result = ""; // TODO
-
+            var result = transactions
+                .Where(s => s.Date <= DateTime.Today && s.Date >= DateTime.Today.AddDays(-7))
+                .Sum(s => s.Quantity);
+             
             Assert.AreEqual(32, result);
         }
 
         [Test]
         public void Test_HowManyTransactionsBoughtMoreThan1Quantity()
         {
-            var result = ""; // TODO
+            var result = transactions.Count(s=>s.Quantity > 1);
 
             Assert.AreEqual(1001, result);
         }
@@ -98,7 +105,8 @@ public void Test_HowManyTransactionsBoughtMoreThan1Quantity()
         [Test]
         public void Test_HowManyTransactionsOccuredOnSundays()
         {
-            var result = ""; // TODO
+            var result = transactions
+                .Count(t => t.Date.DayOfWeek == DayOfWeek.Sunday);
 
             Assert.AreEqual(267, result);
         }
@@ -106,7 +114,8 @@ public void Test_HowManyTransactionsOccuredOnSundays()
         [Test]
         public void Test_WhatIsTheAverageQuantityPurchased()
         {
-            var result = 0; // TODO
+            var result = transactions
+                .Average(s => s.Quantity);
 
             Assert.AreEqual(1.5005, result, 0.0001);
         }
@@ -114,15 +123,21 @@ public void Test_WhatIsTheAverageQuantityPurchased()
         [Test]
         public void Test_HowManyBagsOfChipsHaveBeenBought()
         {
-            var result = ""; // TODO
+            var result = transactions
+                .Where(a => a.ProductName == PRODUCT_NAME_CHIPS)
+                .Sum(a => a.Quantity);
 
             Assert.AreEqual(390, result);
         }
 
+        Func<Transaction, bool> JasonBoughtChips = a => a.UserName == USERNAME_JASON && a.ProductName == PRODUCT_NAME_CHIPS;
+
         [Test]
         public void Test_HowManyBagsOfChipsHasJasonBought()
         {
-            var result = ""; // TODO
+            var result = transactions
+                .Where(JasonBoughtChips)
+                .Sum(a => a.Quantity);
 
             Assert.AreEqual(44, result);
         }
@@ -130,7 +145,11 @@ public void Test_HowManyBagsOfChipsHasJasonBought()
         [Test]
         public void Test_HowManyBagsOfChipsDidJasonBuyIn2015()
         {
-            var result = ""; // TODO
+            var result = transactions
+                .Where(JasonBoughtChips)
+                .Where(a=> a.Date.Year == 2015)
+                .Sum(a => a.Quantity);
+
 
             Assert.AreEqual(33, result);
         }
@@ -138,7 +157,10 @@ public void Test_HowManyBagsOfChipsDidJasonBuyIn2015()
         [Test]
         public void Test_HowManyBagsOfChipsDidJasonBuyInMay2016()
         {
-            var result = ""; // TODO
+            var result = transactions
+                .Where(JasonBoughtChips)
+                .Where(a=>a.Date.Month == 5 && a.Date.Year == 2016)
+                .Sum(a=>a.Quantity); 
 
             Assert.AreEqual(2, result);
         }
@@ -146,8 +168,11 @@ public void Test_HowManyBagsOfChipsDidJasonBuyInMay2016()
         [Test]
         public void Test_WhatProductSellsTheMostBetween12And1PM()
         {
+            //var result = transactions
+            //    .Where(a => a.Date.TimeOfDay > new TimeSpan(12, 0, 0) && a.Date.TimeOfDay < new TimeSpan(13, 0, 0))
+            //    .Select(a => new { a.ProductName, a.Quantity })
+            //    .
             var result = ""; // TODO
-
             Assert.AreEqual("Candy", result);
         }