(b)such income-tax or, as the case may be, "advance tax" shall be so charged or computed as follows:-(i)the total income and the net agricultural income shall be aggregated and the amount of income-tax or "advance tax" shall be determined in respect of the aggregate income at the rates specified in the said Paragraph A, as if such aggregate income were the total income;(ii)the net agricultural income shall be increased by a sum of two lakh fifty thousand rupees, and the amount of income-tax or "advance tax" shall be determined in respect of the net agricultural income as so increased at the rates specified in the said Paragraph A, as if the net agricultural income were the total income;(iii)the amount of income-tax or "advance tax" determined in accordance with sub-clause (i) shall be reduced by the amount of income-tax or, as the case may be, "advance tax" determined in accordance with sub-clause (ii) and the sum so arrived at shall be the income-tax or, as the case may be, "advance tax" in respect of the total income: