Shyanne went to the candy store with her friend Priyanka. Shyanne showed Priyanka that she found a piece of candy that is in the shape of a cone. The height of the candy is 2.25 centimeters and the diameter is 1.89 centimeters. Determine the volume of the piece of candy. Round to the nearest tenth.
a. 25.2 cm³
b. 8.4 cm ³
c. 2.1 cm ³
d. 4.5 cm ³