# Pricing
Determine the price of was missing package

## Methods
### price

#### Description
Calculate the price for [**Was Missing**][wasmissing-url] package.

#### Arguments
- packageIndex
  - 0 is the **Free** package
  - 1 is the **Basic** package
  - 2 is the **Advanced** package
  - 3 is the **Extreme** package
- users
The count of users/coupons the buyer is buying for
- months
Buying for how many months

#### Returns
- The Price the user should see ( and pay )

[wasmissing-url]: http://wasmissing.com