Business Income Tax. For tax years beginning on or after January 1, 2015. corporations â 5.25 percent of net income. trusts and estates â 3.75 percent of net income.
Previously this substance had been known as a rare mineral of tiny colorless crystals, discovered in 1987 and named after the Poudrette family that operated the source quarry at Mont Saint-Hilaire, Quebec. GRANDIDIERITE is a bluish green mineral found primarily in Madagascar.
Identified in a meteorite that fell to Earth 135 years ago, the abundant mineral finally gets a name: bridgmanite. Photograph by Chi Ma, Caltech The most abundant mineral on Earth has just received a name: bridgmanite. Scientists have known about the mineral for decades but were only able to examine it up close in the past few years. The mineral is normally found deep beneath the surface, but was identified and studied in a meteorite that collided with the Earth 135 years ago.