A Container Is Filled with Fluid 1,and the Apparent Depth

A container is filled with fluid 1,and the apparent depth of the fluid is 8.00 cm.The container is next filled with fluid 2,and the apparent depth of this fluid is 6.00 cm.If the index of refraction of the first fluid is 1.30,what is the index of refraction of the second fluid?

A) 1.73
B) 2.28
C) 1.50
D) 1.13
E) ​More information is needed to find the value.