Pick out the correct statement.

• Difference between income and expense is termed as gross revenue.
• Unamortised cost is the difference between the original cost of a property and all the depreciation charges made to date.
• Sum-of-the-years-digits methods of depreciation calculation accounts for the interest on the investment.
• Scrap value is the net amount of money obtainable from the sale of used property over and above any charges involved in its removal & sale.