The idiom "take something with a grain of salt" means to view it with skepticism or doubt.
- It does not mean complete belief (A) or outright ignoring (B).
- It implies cautious acceptance, i.e., accepting but doubting.
- Being surprised (D) is unrelated. Hence, option (C) is correct.
Answer: \(\boxed{\text{Accepted it but with doubt}}\)
A shopkeeper buys an item for Rs 2000 and marks it up by 50% to set the marked price. He then offers a 20% discount on the marked price. What is the profit earned by the shopkeeper?