The hydrogenosome is a crucial organelle for some organisms that inhabit oxygen-poor environments, protists such as some free-living ciliates, unicellular parasites, termite flagellates and rumen fungi and rumen ciliates (Figs. 22.3 and 22.7). These organisms lack conventional mitochondria (Figs. 22.1 and 22.2).
1 Percentage Method. 2  The percentage method taxes a bonus at a flat rate, normally 25%. 3  If the bonus is in excess of $1 million, it is taxed at a rate of 39.6%. 4  This means that if your bonus is $10,000, and you are taxed using the percentage method, $2,500 goes to the IRS.
how bonuses are viewed. in the eyes of the irs, bonuses are grouped together with vacation pay, moving pay, or severance packages as supplemental income. this basically describes all income that is paid to the employee in addition to their regular income. as such, it is taxed under a slightly different system. flat rate taxes.