This is the 5999th most frequent Korean word.
상품에
"상품에" means "to the product" or "on the product."
In this sentence, '상품에' is used to specify the product to which the discounts are applied.
이 상품에는 특별한 할인이 적용됩니다.
This product is subject to special discounts.
Here, '상품에 대한' indicates the subject concerning the product itself.
그는 상품에 대한 정보를 빠르게 알아냈어요.
He quickly found information about the product.
In this case, '상품에' denotes the recipient of the interest action, i.e., the product.