$1.$ Calculate the weight of sulfur in kilograms in a $100,000-$barrel batch of crude oil, given that the sulfur content is $2\%$ by weight and the density of crude oil is $0\mathrm{.}85$ kg$/$L$.(1$ barrel $=159$ liters$)$

a$)2,700$ kg

b$)2,550$ kg

c$)2,400$ kg

d$)2,710$ kg