A marginal tax rate is
O the tax rate paid on a worker's next dollar of income.
O the total tax paid divided by the amount of taxable income
O irrelevant for making decisions about earning extra income.
O equal to a worker's income tax bracket.
O applied only to high earners under a progressive income tax system.
If in a drug-study to test the effectiveness of a new drug for treating the common cold, you are randomly assigned to a group that gets the drug, this would mean that you _____.
O a) are in the experimental group
O b) are unaware that you are participating in a study
O c) are in the control group
O d) are in the placebo group
Ammonium bromide, NH4Br, can never be a Bronsted-Lowry acid