Please refer to the following assumptions and provide your answers to the questions. Your answer should be numerical. $($Each correct answer is worth $3$ points$)$

Assumptions:

Your team plans to purchase a machine for stadium security.

The price per unit is $$9,000.$

The intended useful life of each machine is three $(3)$ years.

The estimated salvage value after $2$ years of use is $0\%$ of the initial cost.

$($A$)$ What is the annual depreciation amount using the straight$-$line method? Blank $1$

$($B$)$ What is the depreciated amount for the $1$st year using the sum$-$of$-$years digits method? Blank $2$