邊際成本等於平均成本

Cost Tracker

Cost Tracker is an application that will make you easily manage your cost spent.It lets you:1. Insert your transaction2. View your transaction history...

Paynet

This app is free. When your buyer doesn't have enough cash to pay you, use this app to charge their credit card instead. Very useful when negotiating ...

Payso

Send and receive money from your phone, for free. Splitting the lunch bill? Collecting money for a sports club? Getting friends together for a weekend...

PayForward

The PayForward app helps you earn cash back & pay it forward:· Find nearby merchants offering member-exclusive rebates· Send money to causes and frien...

PayMe App

PayMe is an innovative social application that will allow you to easily manage and track your debts and shared expenses. You lent your friend some mon...