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.
Diamond is the most concentrated form of pure carbon in the natural world and the strongest mineral on Earth, far exceeding other carbon allotropes such as graphite and fullerite.The secret to diamond's superior strength is found on the molecular level.iamond is the most concentrated form of pure carbon in the natural world and the strongest mineral on Earth, far exceeding other carbon allotropes such as graphite and fullerite.