Which of the following are indicators that a product may have reached the end of its useful life period? Choose all that apply.
1. It has 2 or 3 failures almost over night
2. It costs too much to keep fixing the product.
3. Technology has advanced beyond what the product can do, and the product seems outdated to the customer.
4. Technology has advanced beyond what the product can do, but the product is still serving its intended purpose for the customer.