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.
Well, scientists just took one of geology's biggest controversies and shrunk it down to atomic size. By zapping single atoms of lead in a tiny zircon crystal from Australia, researchers have confirmed the crystal is the oldest rock fragment ever found on Earth â 4.375 billion years old, plus or minus 6 million years.ock around the clock: zircon crystal is oldest piece of Earth. Oldest Rock Speck Zeros In On Earth's Cooling Date. Oldest rock in the world proves Earth ready for life. The Oldest Bit Of The Earth's Crust Is In Australia And It's 4.4 Billion Years Old.