Barkley Company has a piece of equipment that it has been depreciating for $3$ years. The equipment originally was estimated to have a useful life of $8$ years and at the beginning of the current year, Barkley determines that the equipment's life has been extended to $10$ years. When Barkley calculates depreciation for the current year, how many years of life should be used to calculate the depreciation experise

Multiple Choice

$10$ years

$8$ vears.

$5$ years.

$7$ years.