Identified and Prioritised objectives

SI.NO	Objectives
1	Safety
2	Semi-automatic
3	Portability
4	Use of standard parts
5	Cost
6	Entertainment

Assign weightage for the stated objectives.

Objectives	Weightage
Safety	8
Semi-automatic	4
Portability	5
Use of standard parts	4
Cost	4
Entertainment	6

PUGH CHART

Objectives	weightage	Design idea 1	Design idea 2	Design idea 3	Design idea 4
Safety	8	Datum	+	-	+
Semi-automatic	4	Datum	++	-	0
Portability	5	Datum	+	+	+
use of standard parts	4	Datum	+	0	+
cost	4	Datum	+	-	0
Entertainment	6	Datum	+	+	0
+Score		0	35	11	17
-Score		0	0	16	0
Total		35	0	-5	17

The best concept selected is design 1.

JUSTIFICATIONS.

Design idea no	Objective	Score given	Justification
1	Safety	8	Datum
	Semi-automatic	8	Datum
	Portability	5	Datum
	Use of standard parts	4	Datum
	Cost	4	Datum
	Entertainment	6	Datum
2	Safety	0	There is no chance of breaking
	Semi-automatic	0	It is more user friendly
	Portability	0	It as less weight
	Use of standard parts	0	Contains more efficient parts
	Cost	0	Cost is less as compared to datum
	Entertainment	0	As it is more exciting game
3	Safety	-8	Due to weight of system working would be slow
	Semi-automatic	-4	It is less efficient
	Portability	5	Weight is considerable
	Use of standard parts	0	Same number of components
	Cost	-4	Cost of components is more
	Entertainment	6	It is so exiting to tackle duck in ferry
4	Safety	8	There is no chance of stopping slipping of the ducks
	Semi-automatic	0	It is same as datum
	Portability	5	It is easy to carry
	Use of standard parts	4	Usage of more standard Components
	Cost	0	Approximately same as datum
	Entertainment	0	It is more entertaining to hit at the exact part of the rotating duck.