Answer:
B
Step-by-step explanation:
The computation is shown below:
Decision S1 S2 S3
A 10000 45000 90000
(120,000 - 130,000) (295,000 - 255,000) (480,000 - 390,000)
B 0 5000 20000
C 30000 0 0
Based on the above table, the minimum value is for the decision B
So, the best decision should be taken for B only