diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 4ed1d80..208ab54 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,8 +2,10 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="8f59754f-8b0b-4496-b8f6-b19be929e084" name="Default Changelist" comment="">
-      <change afterPath="$PROJECT_DIR$/tests/buyer.test.js" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/Buyer.js" beforeDir="false" afterPath="$PROJECT_DIR$/Buyer.js" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/Seller.js" beforeDir="false" afterPath="$PROJECT_DIR$/Seller.js" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/tests/buyer.test.js" beforeDir="false" afterPath="$PROJECT_DIR$/tests/buyer.test.js" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -73,7 +75,7 @@
       <option name="presentableId" value="Default" />
       <updated>1597136254764</updated>
       <workItem from="1597136255857" duration="11000" />
-      <workItem from="1597136289338" duration="7691000" />
+      <workItem from="1597136289338" duration="11990000" />
     </task>
     <servers />
   </component>
@@ -81,22 +83,30 @@
     <option name="version" value="3" />
   </component>
   <component name="WindowStateProjectService">
-    <state width="2463" height="519" key="GridCell.Tab.0.bottom" timestamp="1597146833789">
+    <state x="1085" y="461" width="429" height="542" key="FileChooserDialogImpl" timestamp="1597154405421">
       <screen x="0" y="29" width="2560" height="1411" />
     </state>
-    <state width="2463" height="519" key="GridCell.Tab.0.bottom/0.29.2560.1411@0.29.2560.1411" timestamp="1597146833789" />
-    <state width="2463" height="519" key="GridCell.Tab.0.center" timestamp="1597146833789">
+    <state x="1085" y="461" width="429" height="542" key="FileChooserDialogImpl/0.29.2560.1411@0.29.2560.1411" timestamp="1597154405421" />
+    <state width="2183" height="383" key="GridCell.Tab.0.bottom" timestamp="1597176719490">
       <screen x="0" y="29" width="2560" height="1411" />
     </state>
-    <state width="2463" height="519" key="GridCell.Tab.0.center/0.29.2560.1411@0.29.2560.1411" timestamp="1597146833789" />
-    <state width="2463" height="519" key="GridCell.Tab.0.left" timestamp="1597146833788">
+    <state width="2183" height="383" key="GridCell.Tab.0.bottom/0.29.2560.1411@0.29.2560.1411" timestamp="1597176719490" />
+    <state width="2183" height="383" key="GridCell.Tab.0.center" timestamp="1597176719490">
       <screen x="0" y="29" width="2560" height="1411" />
     </state>
-    <state width="2463" height="519" key="GridCell.Tab.0.left/0.29.2560.1411@0.29.2560.1411" timestamp="1597146833788" />
-    <state width="2463" height="519" key="GridCell.Tab.0.right" timestamp="1597146833789">
+    <state width="2183" height="383" key="GridCell.Tab.0.center/0.29.2560.1411@0.29.2560.1411" timestamp="1597176719490" />
+    <state width="2183" height="383" key="GridCell.Tab.0.left" timestamp="1597176719489">
       <screen x="0" y="29" width="2560" height="1411" />
     </state>
-    <state width="2463" height="519" key="GridCell.Tab.0.right/0.29.2560.1411@0.29.2560.1411" timestamp="1597146833789" />
+    <state width="2183" height="383" key="GridCell.Tab.0.left/0.29.2560.1411@0.29.2560.1411" timestamp="1597176719489" />
+    <state width="2183" height="383" key="GridCell.Tab.0.right" timestamp="1597176719490">
+      <screen x="0" y="29" width="2560" height="1411" />
+    </state>
+    <state width="2183" height="383" key="GridCell.Tab.0.right/0.29.2560.1411@0.29.2560.1411" timestamp="1597176719490" />
+    <state x="799" y="369" key="SettingsEditor" timestamp="1597155550499">
+      <screen x="0" y="29" width="2560" height="1411" />
+    </state>
+    <state x="799" y="369" key="SettingsEditor/0.29.2560.1411@0.29.2560.1411" timestamp="1597155550499" />
   </component>
   <component name="com.intellij.coverage.CoverageDataManagerImpl">
     <SUITE FILE_PATH="coverage/coding_challenge$buyer_test_js.info" NAME="buyer.test.js Coverage Results" MODIFIED="1597143325899" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="JestJavaScriptTestRunnerCoverage" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" />
diff --git a/Buyer.js b/Buyer.js
index fe35523..2d67385 100644
--- a/Buyer.js
+++ b/Buyer.js
@@ -11,10 +11,10 @@ class Buyer {
     let sellers = [];
 
     // build up the initial list
-    this.market.sellers.forEach(seller => {
+    this.market.sellers.forEach((seller, i) => {
       if (seller.inventory.hasOwnProperty(product)) {
         const price = seller.quote(product);
-        sellers.push({id:seller.id, price:price})
+        sellers.push({id: seller.id, price: price, index: i, quantity:seller.inventory[product].quantity})
       }
 
     });
@@ -26,6 +26,7 @@ class Buyer {
 
     return sellers;
   }
+
   /**
    * This method should get the best price for a given product
    * across all sellers
@@ -51,18 +52,33 @@ class Buyer {
    */
   fillWithBestPrices(product, quantity) {
 
+    let wantedQuantity = quantity;
     let sellerPreference = this.buildOrderPreference(product);
 
     console.log(sellerPreference);
 
-    while(sellerPreference.length > 0) {
+    let reciept = [];
+
+    while (sellerPreference.length > 0 && wantedQuantity > 0) {
 
       let seller = sellerPreference.shift();
 
+      let r = this.market.sellers[seller.index].sell(product, wantedQuantity);
+      wantedQuantity = (wantedQuantity - r.boughtQuantity) < 0 ? 0 : (wantedQuantity - r.boughtQuantity);
 
+      reciept.push(r);
 
     }
 
+    console.log(reciept);
+
+    console.log(reciept.reduce((a, cv) => {
+      return a.cost + cv.cost;
+    })
+
+
+    );
+
     throw Error("Not Implemented");
 
   }
diff --git a/Seller.js b/Seller.js
index 0e6361f..67d9134 100644
--- a/Seller.js
+++ b/Seller.js
@@ -53,6 +53,7 @@ class Seller {
 
 
     tick() {
+        console.log('tick', this);
         for (let [product, value] of Object.entries(this.inventory)) {
             let inventory = value;
             const isReadyForDelivery = (inventory.priceHistory.length % this.deliveryWait) == 0;
diff --git a/tests/buyer.test.js b/tests/buyer.test.js
index 492f51f..0ae2140 100644
--- a/tests/buyer.test.js
+++ b/tests/buyer.test.js
@@ -37,11 +37,31 @@ describe("Buyer", function () {
   });
 
 
-  it("fill", () => {
+  it("fill 10 apples", () => {
+    let buyer = new Buyer(market);
+
+    expect(buyer.fillWithBestPrices('Apples', 10)).toEqual(42.5);
+  });
+
+
+  it("fill 50 apples", () => {
     let buyer = new Buyer(market);
 
     expect(buyer.fillWithBestPrices('Apples', 50)).toEqual(0);
   });
 
+  it("fill 100 apples", () => {
+    let buyer = new Buyer(market);
+
+    expect(buyer.fillWithBestPrices('Apples', 100)).toEqual(0);
+  });
+
+  it("fill 1000 apples", () => {
+    let buyer = new Buyer(market);
+
+    expect(buyer.fillWithBestPrices('Apples', 100)).toEqual(0);
+  });
+
+
 
 });