The warranty is valid from the date you purchase the item PROVIDED you can prove when you bought it. If you have a dated receipt, then the warranty is valid from that date because the purchaser has no way of knowing how long the item has been sitting on the shelf. However, if you cannot prove when you bought the item, then many times they will revert back to the manufacture date for the warranty because they have no other date to go off of. This comes up very often when referring to Hard Drives and was talked about in a Maximum PC magazine article a few months back. It all hinges on you keeping your receipt and being able to prove when the item was purchased. Some companies' customer service representatives do not understand how this works and many times you have ot educate them on the facts or talk to a supervisor.
12 volt battery chargers, gel cell and solar, come with a money back guarantee and will not void or affect manufacturers warranties. They are used for lighting.
No
the way the worker may talks to the customer may affect the chance of the product being bought
Yes and no. It depends what the product it.
No cattle variety does not affect the final product which is beef. The cattle must however be in good condition.
. Do changing demands affect production?
Quality affect productivity. When quality of a product is damage the demand of product also damage so that people do not buy this product. Bad quality product decrease it personal image.If people do not buy that product automatically productivity also fall.
Growth
No, only the number of negative factors affect its sign.
True
depending on what it is but usually yes
If the price of the product is very high, people are unaware about your product, promotion of the product is not proper, place where you sell your product are not correct etc. there are also many things which can cause the great impact on our product.