Convert 300 iPad app images to HD

We're a company that owns an app on the iPad and we wish to transform the app's universal interface to support retina display or high definition display on the iPad 3. A skilled designer is needed to create retina images that are double the pixels for 300 images available. Attached are some sample images; if you're interested, please contact me to send you the name of the app to get a better understanding of the overall work. Once the project is assigned, the 300 images will be provided and the 300 HD images returned need to have the same filename except with "@2x" before the ".png". Delivery period: 1 week Milestones and Payment terms: 10 images $10% 50% of the images $40% 100% of the images $50% note: the 10 images will be tested and approved by the client before the project commences and the payment is released. Our company has started freelancing all it's design jobs so if you're looking for a continuous load of work, please apply to this project to for an opportunity to qualify in our approved freelancer list.