85.3. Without restricting the generality of this chapter,(a) property, other than capital property, of a taxpayer that is work in progress of a business that is a profession, advertising or packaging material, parts or supplies must be included in his inventory;
(b) property used primarily for the purposes of advertising or packaging property that is included in the inventory of a taxpayer shall be deemed not to be property held for sale or lease or for any of the purposes referred to in section 85.2; and
(c) property of a taxpayer, the cost to him of which was deductible by virtue of paragraph n of section 157 must be included in his inventory having a cost to him, except for the purposes of that paragraph, of nil.