On January 1, 20A, Straight, Inc., purchased a machine with a cash price of $9,500. Straight also paid $500 for transportation and installation. The expected useful life of the machine is 5 years and the residual value is $500. Assuming straight-line depreciation, the annual depreciation expense would be
a. $2,100.
b. $2,000.
c. $1,900.
d. $1,800.
e. None of the above is correct.