9(1)This paragraph applies if—
(a)trading stock of a trade has been acquired otherwise than in the course of trade, and
(b)paragraph 7 does not apply.
(2)In calculating the profits of the trade—
(a)the cost of the stock is taken to be the amount which it would have realised if sold in the open market at the time of the acquisition, and
(b)the value of anything in fact given for it is left out of account.
(3)The cost is treated as being incurred on the date of the acquisition.
(4)This paragraph is subject to paragraph 10.