3If under section 35 it is to be assumed that any asset was on 31st March 1982 sold by the person making the disposal and immediately reacquired by him, sections 41 and 47 shall apply in relation to any capital allowance or renewals allowance made in respect of the expenditure actually incurred by him in providing the asset as if it were made in respect of expenditure which, on that assumption, was incurred by him in reacquiring the asset on 31st March 1982.