At XYZ Company, the ratio of sales to gross profit is 4:3 and the ratio of gross profit is 3:1, what is the ratio of net profit to sales?

A 1:4

B 4:1

C 2:1

D 1:2

Correct Answer: Option A

suppose, sale=x gross profit=y net profit=z here, x:y=4:3=(4 x 3) : (3X3)=12:9 y:z=3:1=(3x3) : (3 x1)=9:3 x:y:z= 12:9:3 so, z:x=3:12=1:4