; and (ii) the total number of units of the prescription drug which were sold in commerce in such calendar year. (C) Adjustment amount The adjustment amount is the amount, if any, of the gross price spike revenue which the Inspector General has determined is due solely to an increase in the cost of the inputs necessary to manufacture the prescription drug subject to the price spike. (b) Submission by pharmaceutical companies of information to Inspector General (1) In general For each prescription drug, the applicable entity shall submit to the Inspector General a quarterly report that includes the following: (A) For each prescription drug of the applicable entity— (i) the total number of units of the prescription drug which were sold in commerce in the preceding calendar quarter; (ii) the average and median price per unit of such prescription drug in commerce in the preceding calendar quarter, dis­ag­gre­gated by month