Answer:
A. Included in purchases.
Explanation:
The adjustment of the purchase discount lost under the gross method is included in the purchase amount. If the payment is made within the discount period, then the discount is applicable otherwise not, if the payment is not made within the discount period.
The journal entry is shown below:
Purchase A/c Dr XXXXX
To Account payable A/c XXXXX
(Being the goods are purchased on credit)