diff --git a/.github/workflows/test.yml-template b/.github/workflows/test.yml-template
new file mode 100644
index 000000000..bb13dfc45
--- /dev/null
+++ b/.github/workflows/test.yml-template
@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test
diff --git a/package-lock.json b/package-lock.json
index 5794158b4..77e8d3a6a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "license": "GPL-3.0",
       "devDependencies": {
         "@mate-academy/eslint-config": "latest",
-        "@mate-academy/scripts": "^1.8.6",
+        "@mate-academy/scripts": "^1.9.12",
         "eslint": "^8.57.0",
         "eslint-plugin-jest": "^28.6.0",
         "eslint-plugin-node": "^11.1.0",
@@ -1467,10 +1467,11 @@
       }
     },
     "node_modules/@mate-academy/scripts": {
-      "version": "1.8.6",
-      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-1.8.6.tgz",
-      "integrity": "sha512-b4om/whj4G9emyi84ORE3FRZzCRwRIesr8tJHXa8EvJdOaAPDpzcJ8A0sFfMsWH9NUOVmOwkBtOXDu5eZZ00Ig==",
+      "version": "1.9.12",
+      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-1.9.12.tgz",
+      "integrity": "sha512-/OcmxMa34lYLFlGx7Ig926W1U1qjrnXbjFJ2TzUcDaLmED+A5se652NcWwGOidXRuMAOYLPU2jNYBEkKyXrFJA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@octokit/rest": "^17.11.2",
         "@types/get-port": "^4.2.0",
diff --git a/package.json b/package.json
index 73477abb9..04c53d063 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^1.9.12",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",
     "eslint-plugin-node": "^11.1.0",
diff --git a/src/calculateRentalCost.js b/src/calculateRentalCost.js
index 1e3a27d11..f4b5c7cfb 100644
--- a/src/calculateRentalCost.js
+++ b/src/calculateRentalCost.js
@@ -4,7 +4,21 @@
  * @return {number}
  */
 function calculateRentalCost(days) {
-  // write code here
+  const PRICE_PER_DAY = 40;
+  const LONG_TERM = 7;
+  const LONG_TERM_DISCOUNT = 50;
+  const MEDIUM_TERM = 3;
+  const MEDIUM_TERM_DISCOUNT = 20;
+
+  let result = PRICE_PER_DAY * days;
+
+  if (days >= LONG_TERM) {
+    result -= LONG_TERM_DISCOUNT;
+  } else if (days >= MEDIUM_TERM) {
+    result -= MEDIUM_TERM_DISCOUNT;
+  }
+
+  return result;
 }
 
 module.exports = calculateRentalCost;