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.
The densest known material is the Element Osmium, at about 22 tonnes per cubic meter. The densest theorized material would be white dwarf/neutron star matter, which could be mâ¦illions of times denser. Of course, since it occupies no space at all, the density of a black hole's singularity is technically infinite.