By blocking the stimulation by these nerves, atenolol reduces the heart rate and is useful in treating abnormally rapid heart rhythms. Atenolol also reduces the force of contraction of heart muscle and lowers blood pressure.
As far a degree, a two or four year degree in finance would be beneficial; however you still would need to go to an approved school and get the license. As a mortgage broker, I suggest getting your license first and get hired with a company prior to committing yourself to a degree; see what the job is all about.
Real estate brokers manage real estate agents and take on many of the same job duties. Typical requirements for a career as a real estate broker include completing approved courses or a formal college program in real estate, obtaining 1-3 years of sales agent experience in the field, and passing a state licensing exam.