N purchased a machine for N15,000. The transportation costs were N1,500 and installation costs were N750. The machine broke down at the end of the first month in use and cost N400 to repair. N depreciates machinery at 10% each year on cost, assuming no residual value. What is the net book value of the machine after one year?
A. 13,500
B. 14,850
C. 15,525
D. 15,885