(1) A category of business of a statutory fund has an operating profit for a period if the income of the category for the period exceeds outgoings of the category for the period. The amount of the operating profit is the amount by which income exceeds outgoings.
(2) A category of business of a statutory fund incurs an operating loss for a period if the outgoings of the category for the period exceed the income of the category for the period. The amount of the operating loss is the amount by which outgoings exceed income.