the amount of any premium paid: (v) in respect of current repairs to such buildings, machinery, plant or furniture, the amount paid on account thereof; (vii) in respect of any such building, machinery or plant which has been sold or discarded or demolished or destroyed, the amount by which the written down value thereof exceeds the amount for which the building, machinery or plant, as the case may be, is actually sold or its scrap value: Provided further that where the amount for which any such building, machinery or plant is sold, whether during the continuance of the business or after the cessation thereof, exceeds the written down value, so much of the excess as does not exceed the difference between the original cost and the written 51 S.C. 13 194 down value shall be deemed to be profits of the previous year in which the sale took place: We are concerned with the second proviso to section 10(2) (vii) of the Act.