Also, we will collectively call the minimum and maximum points of a function the extrema of the function. So, relative extrema will refer to the relative minimums and maximums while absolute extrema refer to the absolute minimums and maximums.
Cost. More and more advisors are offering this type of service with a monthly retainer. Often they will charge $500-$2,000 upfront for the initial planning phase and then charge a monthly fee of $50 â $300 per month depending on the complexity of your financial needs.
1 Depending on the complexity of the business plan layout, be prepared to spend anywhere from as little as $500 to as much as $10,000 to write a business plan.2  Most professional companies are going to either charge by the hour or they will have set packages from which you can choose. According to ehow.com, a typical small firm may charge a lump sum rate of around $2,000 for a simple business plan while a more complex business plan may cost as much as $9,000.