A shop sells 2 brands of sunflower seeds. Brand A's package is in the shape of a cone with radius 2.5 centimeters and height 10 centimeters. Brand B's package is in the shape of a square prism. The prism's height is 2.5 centimeters, and each side of the base measures 5 centimeters. What is the volume of Brand A's packaging, what is the volume of Brand B's packaging, and which brand contains more seeds?