On January $1,2020,$ QuickAir Transportation Company purchased a used aircraft at a cost of

$$64,400,000.$ QuickAir expects the plane to remain useful for five years miles$)$ and to

have a residual value of $$6,400,000.$ QuickAir expects to fly the plane $925,000$ miles the

first year, $1,225,000$ miles each year during the second, third, and fourth years, and $2,400,000$

miles the last year.

Read the equirements.

Compute QuickAir's depreciation for the first two years on the plane using the straight$-$line

method, the units$-$of$-$production method, and the double$-$declining balance method.

a$.$ Straight$-$line method

Using the straight$-$line method, depreciation

is

for $2020$ and

for $2021.$