In early 2014, the IRS selected Ambers 2011 return for audit with respect to Schedule C expenses

Question:

In early 2014, the IRS selected Amber’s 2011 return for audit with respect to Schedule C expenses and employee business expenses claimed on the return. Amber met with an IRS agent, who disallowed many of the expenses and who claims that Amber owes $ 2,500 of additional taxes. Discuss Amber’s alternatives.