Answer:
Physical
Explanation:
Its a physical noise because you are being distracted in the environment of interaction
Answer:
a. Sophisticated user
Explanation:
The manufacturer is not taken at fault if the product sold had failed. He is also not taken to fault if there is any danger, harm or unseen risk that involves buying or handling the product. This is only applicable if the sophisticated user knows that there could be or that there will be harm that will become to them from using the product.
For example, if a skin product contains a certain ingredient that is well known to cause irritation and the manufacturer discloses this information, they are no longer liable if a consumer decides to purchase this product and also having prior knowledge.