INSTALL, MODIFY AND TEST PAYMENT SECTION ON JOOMLA ESHOP

Hello, I need to finish an eshop made in joomla this week, there is a list of things missing and to do for finish them, some about the display of products others and most important all the payment part, we need it finished completely when you deliver, able to start buying, other wise we are not interested of giving the job. Please check attachment for the to do list