How many people a single bullet can kill?

One Bullet that started World War I in 1914 took the lives of more than 9 million soldiers; 21 million more were wounded. Civilian casualties caused indirectly by the war numbered close to 10 million. The two nations most affected were Germany and France, each of which sent some 80 percent of their male populations between the ages of 15 and 49 into battle.

What is the costliest meal ever that anyone have had?

World's Costliest meal was eaten by someone in Wuhan which started global COVID-19 pandemic and has costed the world $2 trillion plus so far and still counting.