discount: Discount of an item
In Samantha-Lui/EZRecords: Easy Bookkeeping and Stock Management for Retails

discount returns the remaining fraction a value after it is discounted.

discount(obj, ...)

## S4 method for signature 'single_item'
discount(obj, ...)

`obj`	An object.
`item`	An item to be added.

The remaining fraction a value in decimal after the single item is discounted.

Samantha-Lui/EZRecords documentation built on May 5, 2019, 4:46 p.m.

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