Final answer:
The cost involved in filing the protest is a disadvantage to filing a protest in an IRS audit. The act of filing a protest can become a financial burden due to the necessity of engaging the services of a tax attorney or consultant. So, the option a is correct.
Step-by-step explanation:
The drawback associated with initiating a protest during an IRS audit lies in the financial implications, primarily stemming from the incurred costs.
The act of filing a protest can become a financial burden due to the necessity of engaging the services of a tax attorney or consultant.
This professional assistance is often sought to navigate the complexities of the protest process effectively.
The expenditure may extend beyond mere representation, encompassing fees related to the meticulous preparation and submission of required documents.
Consequently, the overall cost involved in mounting a protest during an IRS audit is a substantial factor to consider.
This financial dimension adds a layer of complexity to the decision-making process for individuals or entities contemplating the pursuit of a protest in response to IRS audit outcomes.
In essence, option 'a' emerges as the accurate choice, emphasizing the financial commitment inherent in contesting an audit finding.