Develop a Mac Application

Hello, we are in need of a software that has the following characteristics: 1) Runs on Apple Desktop Computers 2) Keeps the Customers Info with an organized manner (Name, Last Name, Phone, etc.) 3) Keeps trak of business (income, expenses) 4) User enters all values in the program. 5) Easy backup the data for safe keeping 6) Easy Installation That's all. If you can helps us will be greatly appreciated. Also, please offer a great price too! :)