(1) A is the total of(a) all amounts that became collectible and all other amounts collected by the registrant in the particular reporting period as or on account of tax under section 16, and
(b) all amounts that are required under this title to be added in determining the net tax of the registrant for the particular reporting period;
(2) B is the total of(a) all amounts each of which is an input tax refund for the particular reporting period or a preceding reporting period of the registrant claimed by the registrant in the return under this chapter filed by the registrant for the particular reporting period, and
(b) all amounts each of which is an amount that may be deducted by the registrant under this title in determining the net tax of the registrant for the particular reporting period and that is claimed by the registrant in the return under this chapter filed by the registrant for the particular reporting period.