Service, repair work, and accessories may be important considerations in a consumer's decision to purchase a particular shopping product. 1. true 2. false

True (1)

Explanation:

In deciding whether to buy a particular product, it is important to consider  below pertinent issues :

Serviceability : questions need to  be asked whether the product can be serviced regularly to keep it in usable condition and possible cost of servicing must as well  be considered.

Repairability  : Seller must be asked if the product is repairable in case it is faulty.

Accessories : Availability of accessories in the market must be confirmed from the seller in case we need to replace any part.

Failure to sort out above  issues before buying  may result in wasting of money at the end of the day even though product might have been bought  at a cheaper lock-in price.

answer; is the sum of all individual demands curves;

answer casual models;