Some code cleanup [skip ci]

app/Helpers/Report/ReportHelper.php

@@ -163,7 +163,8 @@ class ReportHelper implements ReportHelperInterface
         foreach ($accounts as $account) {
             $spent = $this->query->spentNoBudget($account, $start, $end);
             $left  = $tagRepository->coveredByBalancingActs($account, $start, $end);
-            $diff  = $spent + $left;
+            bcscale(2);
+            $diff = bcadd($spent, $left);
 
             // budget
             $budgetEntry = new BalanceEntry;

app/Helpers/Report/ReportQuery.php

@@ -230,11 +230,11 @@ class ReportQuery implements ReportQueryInterface
      * @param Carbon  $end
      * @param bool    $shared
      *
-     * @return float
+     * @return string
      */
     public function spentNoBudget(Account $account, Carbon $start, Carbon $end, $shared = false)
     {
-        return floatval(
+        return
             Auth::user()->transactionjournals()
                 ->leftJoin('transactions', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
                 ->leftJoin('budget_transaction_journal', 'budget_transaction_journal.transaction_journal_id', '=', 'transaction_journals.id')
@@ -242,8 +242,7 @@ class ReportQuery implements ReportQueryInterface
                 ->where('transactions.account_id', $account->id)
                 ->before($end)
                 ->after($start)
-                ->whereNull('budget_transaction_journal.budget_id')->get(['transaction_journals.*'])->sum('amount')
-        );
+                ->whereNull('budget_transaction_journal.budget_id')->get(['transaction_journals.*'])->sum('amount');
     }
 
     /**

app/Helpers/Report/ReportQueryInterface.php

@@ -73,7 +73,7 @@ interface ReportQueryInterface
      * @param Carbon  $end
      * @param bool    $shared
      *
-     * @return float
+     * @return string
      */
     public function spentNoBudget(Account $account, Carbon $start, Carbon $end, $shared = false);