Sparks & Menser is one of the biggest retailers of in-house clothing in the country. Recent slums in the sales forced the management to seek measures for addressing better the customer needs and attracting new customers. After an initial investigation into the recent datawarehousing technologies and a feasibility study the Management Board of the company approved an IT project for creating a company's own data lake on the cloud as a preparation for data analysis using the Data Science technologies. (a) Identify the potential data sources which can be used to build the data lake (5 Marks) (b) Propose methods for collecting and delivering of each of the datasets to the lake (7 Marks) (c) Chose suitable tools from Hadoop ecosystem to implement the data ingestion, assuming the company will use Apache Hadoop-based BigData platform on the Amazon S3 cloud (7 Marks) (d) Draw a diagram of the system architecture of the BigData platform which needs to be assembled on the cloud