Fix Rubocop styling issues

app/controllers/concerns/book_keeping.rb

@@ -13,7 +13,7 @@ module BookKeeping
       'customer_code': accounting_customer_code,
       'language': language,
       'currency': activities.first.currency,
-      'date': month.end_of_month.strftime('%Y-%m-%d')
+      'date': month.end_of_month.strftime('%Y-%m-%d'),
     }.as_json
 
     lines = []
@@ -65,7 +65,7 @@ module BookKeeping
       'product_id': DOMAIN_TO_PRODUCT[price.zone_name.to_sym],
       'quantity': 1,
       'price': yearly ? (price.price.amount / price.duration.to_i) : price.price.amount,
-      'unit': language == 'en' ? 'pc' : 'tk'
+      'unit': language == 'en' ? 'pc' : 'tk',
     }
 
     line['description'] = description_in_language(price: price, yearly: yearly)
@@ -106,7 +106,7 @@ module BookKeeping
       'description': language == 'en' ? 'Domains prepayment' : 'Domeenide ettemaks',
       'quantity': -1,
       'price': total,
-      'unit': language == 'en' ? 'pc' : 'tk'
+      'unit': language == 'en' ? 'pc' : 'tk',
     }
   end
 

app/jobs/directo_invoice_forward_job.rb

@@ -27,7 +27,7 @@ class DirectoInvoiceForwardJob < Que::Job
   end
 
   def send_monthly_invoices
-    month = Time.now
+    month = Time.zone.now - 1.month
 
     Registrar.where.not(test_registrar: true).find_each do |registrar|
       next unless registrar.cash_account

app/models/invoice.rb

@@ -112,7 +112,8 @@ class Invoice < ApplicationRecord
       'product_id': Setting.directo_receipt_product_name,
       'description': order,
       'quantity': 1,
-      'price': ActionController::Base.helpers.number_with_precision(subtotal, precision: 2, separator: ".")
+      'price': ActionController::Base.helpers
+                                     .number_with_precision(subtotal, precision: 2, separator: '.'),
     }].as_json
 
     inv