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.
Best Answer: Densest Naturally Occuring Mineral The mineral Chengdeite-Ir3 Fe Specific Gravity - 19.3 g/cm3 (Gold is 17.65, Platinum is 18.00) Densest Element-Iridium - 22.65 g/cm3 Closely followed by Osmium - 22.61 g/cm3.