Tax Drill $-$ Audit Process

Indicate whether the following statements are "True" or "False" regarding IRS audit procedures.

a$.$ Only a small number of tax returns are audited.

b$.$ The IRS utilizes mathematical formulas and statistical sampling techniques to select tax returns that are most likely to contain errors.

c$.$ If an individual's itemized deductions are in excess of norms established for various income levels, the probability of an audit is decreased.

d$.$ The tax law permits the IRS to pay rewards to persons who provide information that leads to the detection and punishment of those who violate the tax laws.