Adventure Airline's baggage handling conveyor cost

$$262,000$ and had a service life of $11$ years. For the

first seven years, depreciation of the conveyor was

calculated using the declining$-$balance method at a rate

of $20$ percent. During the last four years, the

straight$-$line method was used for accounting purposes

$($in order to have a book value of zero at the end of the

service life$).$ What was the book value of the conveyor

after eight, nine, ten, and eleven years?

The book value of the conveyor after eight years is

$$.$ The book value of the conveyor after nine years

is $$.$ The book value of the conveyor after ten years

is $$.$ The book value of the conveyor after eleven

years is $

$($Round the final answers to two decimal places as

needed. Round all intermediate values to six decimal

places as needed.$)$