A golden breast plate weighing 18.63 kg is dropped in a tub that initially contains water. after the breast plate was totally submerged, the water level rises by 61.87cm. The tub has a diameter of 6 centimeters and the breast plate was said to be made only from gold and silver. Compute for the percentage of each component of the breast plate if the density of gold is 19.3 g/cubic centimeter and silver has a density of 10.49 g/cubic centimeter.