Answer :
Answer: Option (B) is correct.
Explanation:
Correct option: The marginal utility from consuming good A will be lower than before.
This due to the law of diminishing marginal utility. When the price of good A falls as result consumer will buy more quantity of good A. But according to the law of diminishing marginal utility, as the consumers consumes more and more quantity of good, the utility derived from an additional unit goes on diminishing.
Therefore, the marginal utility from consuming good A will be lower than before.