Opencart Extension - Price Grid Including Multiple Product Options - repost 2

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:

I am looking for a developer to create an Open Cart extension that replicates the one i have seen on this company website . You can see the price grid here:
Each product has:

Quantity Box - Enter a quantity and it will calculate the total amount at the bottom of the price grid
i will require the module to be vqmod so it does over right any of the core file and i must be able to have a copy so i can use it on other projects
and please write pricegrid so i know you read and looked at the link i proved

Skills required:
Open Cart, PHP
About the employer:
Public Clarification Board
Bids are hidden by the project creator. Log in as the employer to view bids or to bid on this project.
You will not be able to bid on this project if you are not qualified in one of the job categories. To see your qualifications click here.

$ 178
in 6 days
$ 144
in 7 days
$ 210
in 2 days
$ 147
in 5 days
$ 250
in 14 days
$ 150
in 1 days
$ 135
in 3 days
$ 99
in 2 days
$ 211
in 5 days