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.
Bonuses you pay to employees may be taxed in one of two ways. You can choose either the flat percentage method or the supplemental wage withholding method if the employee that receives the bonus had income taxes withheld for wage payments in the current or previous year.