The company bought a machine for $$40,000$ in January year $1.$ The machine had an expected useful life of six years and an expected residual value of $$10,000.$ The machine was depreciated on the straight line basis where a full year's charge is made in the year of purchase and none in the year of sale. In December year $4,$ the machine was sold for $$15,000.$ The company has a policy in its internal accounts of combining the depreciation charge with the profit or loss on disposal of assets. Its year end is $31$ December. What is the total amount of profit$/$loss charged to the statement of profit or loss over the life of the machine?