In the formula in the first paragraph,(a) A is the amount by which the aggregate of all the particular amounts included in computing the taxpayer’s income for the year from the business in respect of the sale of breeding bees in the year exceeds the aggregate of all amounts deducted in respect of the particular amounts, under section 153, in computing the taxpayer’s income for the year from the business;
(b) B is the aggregate of all amounts deducted in computing the taxpayer’s income for the year from the business in respect of the acquisition of breeding bees; and
(c) C is either 30% if the taxpayer’s breeding bee stock at the end of the year in respect of the business exceeds 70% of the taxpayer’s breeding bee stock at the beginning of the year in respect of the business, or 90% in any other case.