Develop a calculator

Make a calculator that calculates the cost of a bank account We provide you with acces to a mysql database that contains all bank accounts and their costs and services attached to it. We will provide you with the formula's to calculate the cost. It's up to you to make a good looking calculator. Design is important, it must look good (only php, javascript, no flash, no java) Calculator will be used inside a comparison website (joomla) that compares the different bank bank accounts. Also provide integration within external websites. Please also state a support price for aftersales support and modifications. Details and more information availlable through pm. Please start your bid with happy holiday, to eliminate automatic responses.