a. Product inventories have been prepared for two different designs of a high speed

widget. The matrices are reproduced below, each matrix element, the data on the left side are about Design 1, on the right are about Design 2.

(1) Based on SLCA (streamlined LCA) analysis of provided data (show column score, row score, and final overall score for each design option), select the better product from a DfES viewpoint,

(2) What features of each design would you address if improvements were needed? Support your answer with data and reasons.

(3) Illustrate the data in the "Target Plot" chart (one plot for each design option). Blank chart is posed in Blackboard.

Packing=PD, Recycling=RD. Resource extraction=pre-manufacture=PM. shows full name of each abbreviation.

Life Stage MC EU SR LR GR

PM 1/1 4/3 4/3 2/2 3/2

M 2/1 1/2 1/2 2/1 2/4

PD 3/2 1/1 2/3 1/1 1/1

PU 1/2 1/2 1/3 1/1 1/3

RD 2/1 2/2 2/1 1/2 1/2