diff --git a/data-and-functions-1/src/functions/getActiveUsers.js b/data-and-functions-1/src/functions/getActiveUsers.js
new file mode 100644
index 0000000..f0e84ed
--- /dev/null
+++ b/data-and-functions-1/src/functions/getActiveUsers.js
@@ -0,0 +1,13 @@
+import DATA from '../DATA'
+
+const getActiveUsers = (id) => {
+  let activeUserArray = []
+  DATA.users.forEach((u) => {
+    if (u.accountActive === true) {
+      activeUserArray.push(u)
+    }
+  })
+  return activeUserArray
+}
+
+export default getActiveUsers
diff --git a/data-and-functions-1/src/functions/getMostExpensiveProduct.js b/data-and-functions-1/src/functions/getMostExpensiveProduct.js
new file mode 100644
index 0000000..93e7d7b
--- /dev/null
+++ b/data-and-functions-1/src/functions/getMostExpensiveProduct.js
@@ -0,0 +1,17 @@
+import DATA from '../DATA'
+
+const getMostExpensiveProduct = (data) => {
+  if (data == null) {
+    return null
+  }
+  let mostExpensiveProduct = 0
+  DATA.products.forEach((m) => {
+    const currentProduct = data.products[m]
+    if (currentProduct.price > mostExpensiveProduct) {
+      mostExpensiveProduct = currentProduct
+    }
+  })
+  return mostExpensiveProduct
+}
+
+export default getMostExpensiveProduct
diff --git a/data-and-functions-1/src/functions/getOrderInfo.js b/data-and-functions-1/src/functions/getOrderInfo.js
new file mode 100644
index 0000000..380f996
--- /dev/null
+++ b/data-and-functions-1/src/functions/getOrderInfo.js
@@ -0,0 +1,24 @@
+import getUserById from './getUserById'
+import getProductById from './getProductById'
+
+const getOrderInfo = (DATA) => {
+  if (DATA == null || DATA.orders == null) {
+    return null
+  }
+  const orderArray = []
+  DATA.orders.forEach((o) => {
+    const currentOrder = DATA.orders[o]
+    const userName = getUserById(DATA, currentOrder.userId).name
+    const orderId = currentOrder.id
+    const price = getProductById(DATA, currentOrder.productId).price
+    const orderInfo = {
+      orderId: orderId,
+      userName: userName,
+      price: price
+    }
+    orderArray.push(orderInfo)
+  })
+  return orderArray
+}
+
+export default getOrderInfo
diff --git a/data-and-functions-1/src/functions/getProductById.js b/data-and-functions-1/src/functions/getProductById.js
new file mode 100644
index 0000000..d1427ed
--- /dev/null
+++ b/data-and-functions-1/src/functions/getProductById.js
@@ -0,0 +1,13 @@
+import DATA from '../DATA'
+
+const getProductById = (id) => {
+  let product
+  for (let n = 0; n < DATA.products.length; n += 1) {
+    if (DATA.products[n].id === id) {
+      product = DATA.products[n]
+    }
+  }
+  return product
+}
+
+export default getProductById
diff --git a/data-and-functions-1/src/functions/getUserById.js b/data-and-functions-1/src/functions/getUserById.js
new file mode 100644
index 0000000..a1267b2
--- /dev/null
+++ b/data-and-functions-1/src/functions/getUserById.js
@@ -0,0 +1,15 @@
+const getUserById = (DATA, userId) => {
+  let user
+  if (userId == null || DATA == null || DATA.users == null) {
+    return null
+  } else {
+    DATA.users.forEach((u) => {
+      if (u.userId === DATA.id) {
+        user = u
+      }
+    })
+  }
+  return user
+}
+
+export default getUserById