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 yearOn 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 requirements.

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 $2021.$

a$.$ Straight$-$line method

Using the straight$-$line method,

depreciation is

for $2020$ and

for $2021.$