Late payments holding up $7 billion in small business cashflow - I speak with Xero chief executive Trent Innes

Small and medium businesses are losing as much as $7 billion a year because bigger companies aren't paying their bills on time. 

A study of 150,000 conducted by the business software company Xero found late payments on invoices worth $115 billion create a "domino effect" by tying up cash flow. 

Xero chief executive Trent Innes speaks with ABC's Peter Ryan.