The correct answer is (B):
Let the manufacturing cost of the table be Rs. m.
The wholesaler buys it for Rs.1.1m.
The retailer buys it for Rs.(1.1)(1.3)m.
The customer buys it for Rs.(1.1)(1.3)(1.5)m, viz. Rs. 2.145m.
Given, 2.145m = 4,290
⇒ m = Rs.2,000