diff --git a/app.js b/app.js
index da217be..af317a8 100644
--- a/app.js
+++ b/app.js
@@ -7,10 +7,12 @@ const { creditAccount, debitAccount } = require('./helpers/transactions');
 
 dotenv.config();
 
+
 /**
  * @param {string} username username of the user
  * @param {string} password password of the user
 */
+
 async function createUser(username, password) {
   const schema = joi.object({
     username: joi.string().required(),
@@ -26,17 +28,21 @@ async function createUser(username, password) {
   const t = await models.sequelize.transaction();
 
   try {
+    
     const existingUser = await models.users.findOne({ where: { username } }, { transaction: t });
     if (existingUser) {
       return {
         success: false,
         error: 'Account already exists',
+        
       };
+      
     }
     const user = await models.users.create({
       username,
       password: bcrypt.hashSync(password, bcrypt.genSaltSync(10)),
-    }, {
+    }, 
+    {
       transaction: t,
     });
 
@@ -52,9 +58,11 @@ async function createUser(username, password) {
       success: true,
       message: 'User account created',
     };
+    
   } catch (error) {
     await t.rollback();
-    return {
+    return
+      {
       success: false,
       error: 'Internal server error',
     };
@@ -69,7 +77,8 @@ async function deposit(account_id, amount) {
   const schema = joi.object({
     account_id: joi.number().required(),
     amount: joi.number().min(1).required(),
-  });
+  }
+                           );
   const validation = schema.validate({ account_id, amount });
   if (validation.error) {
     return {
@@ -84,7 +93,8 @@ async function deposit(account_id, amount) {
       amount,
       purpose: 'deposit',
       t,
-    });
+    }
+                                            );
 
     if (!creditResult.success) {
       await t.rollback();
@@ -113,7 +123,8 @@ async function withdraw(account_id, amount) {
   const schema = joi.object({
     account_id: joi.number().required(),
     amount: joi.number().min(1).required(),
-  });
+  }
+                           );
   const validation = schema.validate({ account_id, amount });
   if (validation.error) {
     return {