How much was the original cost of a radio which was sold for Tk. 2,300? (1) The radio was sold for a discount of 10% from its original cost (2) The sales tax was Tk 150

প্রশ্নঃ How much was the original cost of a radio which was sold for Tk. 2,300? (1) The radio was sold for a discount of 10% from its original cost (2) The sales tax was Tk 150