For the purposes of the formula in the first paragraph,(1) A is the total of all amounts, each of which is an amount that is, or that could reasonably be expected to be, the value of the consideration for a taxable supply that is, or that could reasonably be expected to be, a qualifying corporeal movable property supply made by the person during that period to a specified recipient (other than a supply deemed to have been made by the person under subparagraph a of subparagraph 1 of the first paragraph of section 477.18.4); and
(2) B is(a) where the person is a distribution platform operator in respect of a qualifying corporeal movable property supply made during that period through a specified distribution platform, the total of all amounts, each of which is an amount that is, or that could reasonably be expected to be, the value of the consideration for a supply that is, or that could reasonably be expected to be, a qualifying corporeal movable property supply made during that period through the specified distribution platform to a specified recipient and in respect of which the person or any other person is a distribution platform operator, and
(b) in any other case, zero.