You buy some shoes for $25 you want to sell them and get more money than you spent ("Profit") if you sell them for $10, you wasted $15 and only gained $10 back so its not $10 or $25 so its $50
Amritsar massacre, took place on 13 April 1919 when troops of the British Indian Army under the command of Acting Brigadier-General Reginald Dyer fired rifles into a crowd of unarmed Indian civilians