A shopkeeper is giving a discount of 25% but a customer bargains such that the shopkeeper sells him at Rs. 300 less than what he was supposed to sell. If the profit of the shopkeeper decreased from 80% to 20% then find the marked price of the given item?
1
1000 Rs.
2
1200 Rs.
3
1400 Rs.
4
1600 Rs.
5
2000 Rs.