Reduce complexity of autobindable?() conditional

app/models/bank_transaction.rb

@@ -32,12 +32,9 @@ class BankTransaction < ApplicationRecord
   end
 
   def autobindable?
-    return false if binded?
-    return false unless registrar
-    return false unless invoice
-    return false unless invoice.payable?
-
-    true
+    binded? && registrar.present && invoice.payable? ? true : false
+  rescue NoMethodError
+    false
   end
 
   # For successful binding, reference number, invoice id and sum must match with the invoice
@@ -113,6 +110,10 @@ class BankTransaction < ApplicationRecord
     end
   end
 
+  def parsed_ref_number
+    reference_no || ref_number_from_description
+  end
+
   private
 
   def reset_pending_registrar_balance_reload
@@ -122,10 +123,6 @@ class BankTransaction < ApplicationRecord
     registrar.save!
   end
 
-  def parsed_ref_number
-    reference_no || ref_number_from_description
-  end
-
   def ref_number_from_description
     /(\d{7})/.match(description)[0]
   end

app/models/invoice.rb

@@ -113,7 +113,7 @@ class Invoice < ApplicationRecord
   end
 
   def self.create_from_transaction!(transaction)
-    registrar_user = Registrar.find_by(reference_no: transasction.parsed_ref_number)
+    registrar_user = Registrar.find_by(reference_no: transaction.parsed_ref_number)
     return unless registrar_user
 
     registrar_user.issue_prepayment_invoice(amount: transaction.sum,