When a company gain profit or loss how you show in accounts book?

in case of profit you make p/l acc of the year Credit

in case of loss you make p/l acc of the year debit

suppose you have sold an asset for USD.

Asset value is

Accumulated depriciation is.

then:

Accumulated dep.......ac .....dr

asset sale clearing ac.......dr

To Asset (APC)value.................CR....

To profit on sale of Asset...........CR...