I need a plugin development for MODx CMS. The plugin will work exactly like one WordPress plugin which best matches the requirement. This MODx plugin will function all features of [login to view URL] . Take your time to review it carefully. There will be image/graphics to show the donation meter. The graphics can be uploaded from admin. The Plugin will have following features:
1. Two Content Area for showing widget
2. Two Images Upload area
3. Calculation of Donation
4. Donation Goals/Target
5. Need Donation to meet the target
Inform me the time for development and cost.