PEARSON EDUCATION LIMITED KAO Two KAO Park Harlow CM17 9SR United Kingdom Tel: +44 (0)1279 623623 Web: www.pearson.com/uk Sixth edition published 2016 This edition published 2019 © Pearson Education Limited 2019 The rights of Dave Chaffey and Fiona Ellis-Chadwick to be identified as authors of this work have been asserted by them in accordance with the Copyright, Designs and Patents Act 1988. Pearson Education is not responsible for the content of third-party internet sites. ISBN 978-1-292-24159-3 All rights reserved. Permission is hereby given for the material in this publication to be reproduced for student handouts, without express permission of the Publishers, for educational purposes only. In all other cases, no part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise without either the prior written permission of the Publishers or a licence permitting restricted copying in the United Kingdom issued by the Copyright Licensing Agency Ltd., Barnard’s Inn, 86 Fetter Lane, London EC4A 1EN. This book may not be lent, resold, hired out or otherwise disposed of by way of trade in any form of binding or cover other than that in which it is published, without the prior consent of the Publishers. All trademarks used herein are the property of their respective owners. The use of any trademark in this text does not vest in the author or publisher any trademark ownership rights in such trademarks, nor does the use of such trademarks imply any affiliation with or endorsement of this text by such owners. Parts and Chapters Pages C