a) One prototype is to be developed selected from 5 conceptual designs. The decision matrix for selecting the conceptual design is shown in Table 1. Analyse the table to determine which (8 Marks) concept should be advanced to the prototype development stage. Table 1 Evaluation Criteria Concepts criteria weightage C1 C2 C3 C4 C5 EC1 10 + 0 0 0 + EC2 8 - + 0 + EC3 7 0 + + - + EC4 5 0 + EC5 9 + + EC6 EC7 EC8 EC9 43LN + + + - + + - + + 1 + + + + + + + + +