An e-commerce website wants to analyse customer's sales through products transactions comparison. A customer transaction is presented in the following table: Customer 1 Customer 2 Customer 3 PROD1 PROD2 PROD3 PROD4 PRODS PROD6 PROD7 PROD8 PROD9 1 1 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 1 1 1 1 1 0 0 1. Propose two methods for computing similarities. 1 Marks 2. Apply one of the proposed methods and give the result. 3 Marks 0 1 0