When a company revises an estimate used to record depreciation expense, the company should revise depreciation by using the formula - revised salvage value)/revised remaining useful life.

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath. 

Correct textbook answers would be 1,3, and 5