Your references are also important here you need to have somebody willing to back up your story. Great you can say that you were responsible for budgets and financial forecasting. Just make sure there is a kernel of truth to your statements. The first step is to find out exactly what your current or past employers will say about you. You can accomplish this by calling human resources and asking or by making a call pretending to be a potential employer.
Smaller companies are a little trickier.
You can try posing as an employer and asking about some previous employee. In almost all cases, the employer will only give employment dates, and title. Usually, a written release from the employee is required to get salary information. The bottom line is that you need to find out what they are going to say about you in order to lay the groundwork for an embellished job description. References are a critical part of the job-hunting process.