diff --git a/Sprint-1/destructuring/exercise-1/exercise.js b/Sprint-1/destructuring/exercise-1/exercise.js
index 1ff2ac5c..90eb4795 100644
--- a/Sprint-1/destructuring/exercise-1/exercise.js
+++ b/Sprint-1/destructuring/exercise-1/exercise.js
@@ -6,7 +6,7 @@ const personOne = {
 
 // Update the parameter to this function to make it work.
 // Don't change anything else.
-function introduceYourself(___________________________) {
+function introduceYourself({name, age, favouriteFood}) {
   console.log(
     `Hello, my name is ${name}. I am ${age} years old and my favourite food is ${favouriteFood}.`
   );
diff --git a/Sprint-1/destructuring/exercise-2/exercise.js b/Sprint-1/destructuring/exercise-2/exercise.js
index e11b75eb..3e35d0c5 100644
--- a/Sprint-1/destructuring/exercise-2/exercise.js
+++ b/Sprint-1/destructuring/exercise-2/exercise.js
@@ -70,3 +70,21 @@ let hogwarts = [
     occupation: "Teacher",
   },
 ];
+
+
+function gryffindorHouse(hogwarts) {
+  return hogwarts
+    .filter(({house}) => house === 'Gryffindor')
+    .map(({firstName, lastName}) => `${firstName} ${lastName}`)
+    .join("\n")
+}
+
+function teachersWithPets(hogwarts) {
+  return hogwarts
+    .filter(({occupation, pet}) => occupation === "Teacher" && pet !== null)
+    .map(({firstName, lastName}) => `${firstName} ${lastName}`)
+    .join("\n")
+}
+
+console.log(gryffindorHouse(hogwarts));
+console.log(teachersWithPets(hogwarts))
diff --git a/Sprint-1/destructuring/exercise-3/exercise.js b/Sprint-1/destructuring/exercise-3/exercise.js
index b3a36f4e..d5de1689 100644
--- a/Sprint-1/destructuring/exercise-3/exercise.js
+++ b/Sprint-1/destructuring/exercise-3/exercise.js
@@ -6,3 +6,40 @@ let order = [
   { itemName: "Hot Coffee", quantity: 2, unitPricePence: 100 },
   { itemName: "Hash Brown", quantity: 4, unitPricePence: 40 },
 ];
+
+
+function receiptAndCosts(order) {
+  let total = 0;
+
+  let receipt = []
+
+  /* This function orderLineFormatting requires 3 arguments in strict order
+      1: quantity, 2: itemName, 3: subTotal
+     and will return a string
+  */
+  function orderLineFormatting(...args) {
+    if (args.length !== 3) {
+      throw new Error("expecting 3 arguments in order of quantity, itemName, and subTotal")
+    }
+    const orderLineSpacing = [8, 20, 5]
+    let formattedOrderLine = ''
+    for (let index = 0; index < args.length; index++) {
+      formattedOrderLine += `${String(args[index]).padEnd(orderLineSpacing[index], " ")}`
+    }
+    return formattedOrderLine
+  }
+
+  receipt.push(orderLineFormatting("QTY", "ITEM", "TOTAL"));
+
+  order.forEach(({itemName, quantity, unitPricePence}) => {
+    const subTotal = (unitPricePence / 100 * quantity).toFixed(2)
+    receipt.push(orderLineFormatting(quantity, itemName, subTotal))
+    total += unitPricePence / 100 * quantity
+  })
+
+  receipt.push(" ")
+  receipt.push(`Total: ${total.toFixed(2)}`)
+  return receipt.join("\n")
+}
+
+console.log(receiptAndCosts(order))
\ No newline at end of file