Price your product or service. The difference between cost and value. Knowing the difference between cost and value can increase profitability: the cost of your product or service is the amount you spend to produce it. the price is your financial reward for providing the product or service.
Restart your Kindle Fire HD by holding down the Power button for 20 seconds. Like most electronic devices, the Kindle Fire HD is susceptible to freezing or slow response times. You can tell when your device is frozen when the screen fails to respond to your touch. The Kindle Fire HD can freeze on the home screen, while using an application, or when booting up and powering down.
Last Update date : 2015.05.20. If your device freezes or hangs, you may need to close apps or turn off the device and turn it on again. If your device is frozen and unresponsive, press and hold the Power button and the Volume button down simultaneously for more than 7 seconds to restart it. If after restarting the device you still find your device freezes sometimes or is sometimes unresponsive, please contact us for more advice.