(v)in this clause––(A)"book profit" means the net profit, as shown in the profit and loss account for the relevant tax year, computed as per Chapter IV-D as increased by the aggregate amount of the remuneration to all the partners of the firm, if such amount has been deducted while computing the net profit;(B)"working partner" means an individual who is actively engaged in conducting the affairs of the business or profession of the firm of which he is a partner;