Calculation of profits.

(1) In computing the net profits of a company in any financial year for the purpose of section 197,— (a) credit shall be given for the sums specified in sub-section (2), and credit shall not be given for those specified in sub-section (3); and (b) the sums specified in sub-section (4) shall be deducted, and those specified in sub-section (5) shall not be deducted.