A supplier supplies cartridge to a newspaper publishing house. He earns a profit May 24, 2022 by admin โช Choose the correct option.A supplier supplies cartridge to a newspaper publishing house. He earns a profit of 20% by selling cartridges for Rs. 540. Find the cost price of the cartridges?A. Rs. 500B. Rs. 480C. Rs. 450D. Rs. 400 Submit Answer