Improvement is possible, but only if you work at it. My friend took it as a soph and got a 220 (definitely NMSF), but then took it again junior year without studying and got a 200 (barely commended). Of course he never studies for anything and does ridiculously well most times, but not this time.
A Desk Audit is another method of examination that the IRS will use to audit individual taxpayers and small businesses. It is conducted at the local IRS field office and generally lasts two hours or less.
An IRS Audit is a review of an organizations or individuals accounts and financial information. Another way to look at an audit is as a discussion and review of the individuals or businesss financial situation to ensure taxpayers are complying with the tax laws and reporting a substantially correct amount of tax. This page contains information on how to prepare for an audit, what it's like to be audited and possible outcomes of an audit.