Which of the following statement is true? (a) Value added = total sales + closing stock of finished goods – opening stock of finished goods – total expenditure on raw material – intermediate goods (b) Value added = total sales + closing stock of finished goods and semi finished goods – total expenditure on raw material – intermediate goods (c) Value added = total sales + closing stock of finished goods and semi-finished goods-opening stock of finished goods and semi finished goods-total expenditure on raw material (d) Value added = total sales + closing stock of finished goods and semi finished goods – opening stock of finished goods and semi finished goods – total expenditure on raw material – intermediate goods.