Hi Judith,
Here is the balance link for two books,
2 Calendars @ £14.99 = £29.98. PAID
2 Books @ £19.99 = £39.98 less £29.98
1 Postage @ £1.99
Total Balance to pay = £ 11.99
Best wishes
Pete
Invoice for Customer - Balance for 2 books
£11.99Price