Pls help! will give brainlist!

Maria built a tool that checks the rate of flow of liquid from one container to another. The tool consists of a cylindrical container attached to a cubic container. The cylinder has a diameter of 5 cm and a height of 6 cm, the cube has a side length of 5 cm, as shown in the diagram.
what is the volume of the two containers of make up Maria’s tool?

A. 266.30 cm³
B. 596.00 cm³
C. 242.75 cm³
D. 690.20 cm³