Change osCommerce template from 2.2RC2 to 2.3.1

I would like the following attached oscommerce 2.2RC2 template to be changed to work with a fresh oscommerce 2.3.1 install. Please bid according to the time that it would take you to complete this task and please include instructions on what files need to be uploaded and included in order for the template to work with oscommerce 2.3.1. Final submission should include the following: All files required in order to get the template to work in oscommerce 2.3.1 Instruction guide in order for us to configure the template to work with a fresh installation of oscommerce 2.3.1 The oscommerce 2.2RC2 template is attached.