Using straight line method annual depreciation D is equal to

A

$$\frac{Life  in  year  Scrap  value}{Original cost}$$

B

$$\frac{Scrap  value  life  in  year}{Original cost}$$

C

$$\frac{Original  cost  life  in  year}{scrap  value}$$

D

$$\frac{Original  cost  scrap  value}{life  in  year}$$