Vincristine is occasionally used as an immunosuppressant, for example, in treating thrombotic thrombocytopenic purpura (TTP) or chronic idiopathic thrombocytopenic purpura (ITP). Side effects. The main side effects of vincristine are chemotherapy-induced peripheral neuropathy, hyponatremia, constipation, and hair loss. Chemotherapy-induced peripheral neuropathy can be severe, and may be a reason to reduce or avoid using vincristine.
Bonuses can be taxed in two ways: Percentage Method. The percentage method taxes a bonus at a flat rate, normally 25%. If the bonus is in excess of $1 million, it is taxed at a rate of 39.6%. This means that if your bonus is $10,000, and you are taxed using the percentage method, $2,500 goes to the IRS. This method is easy to calculate for both employee and employer because the bonus is taxed at a flat rate.
What is a 'Marginal Tax Rate'. A marginal tax rate is the amount of tax paid on an additional dollar of income. The marginal tax rate for an individual will increase as income rises. This method of taxation aims to fairly tax individuals based upon their earnings, with low-income earners being taxed at a lower rate than higher income earners. Next Up.