The market value of a certain machine decreased by 30 percent of its purchase price each year. If the machine was purchased in 1982 for its market value of $10,000, what was its market value two years later?	Choose the correct choice from the following choices:
A) $8,000
B) $4,000
C) $3,200
D) $2,400
E) $800
B.   Market value in 1982= $ 10000   Market value in 1983 = $ 10000- ($ 10000 x 30/100) = 10000-3000= 
<gadget id="calculator">10000-3000</gadget>
<output>7_000</output>
$ 7000   Market value in 1984= Market value in 1983 - (30 % of $10000)= 7000-3000= 
<gadget id="calculator">7000-3000</gadget>
<output>4_000</output>
$4000
<result>B</result>
The market value of a certain machine decreased by 30 percent of its purchase price each year. If the machine was purchased in 1982 for its market value of $10,000, what was its market value two years later?