Yes, WSI get cash when the invoice is paid, as long as the...

Yes, WSI get cash when the invoice is paid, as long as the client does not go bust, or dispute the bill. The work has been done, but has not yet been paid.

The “Contract asset” value below represents under AASB 15, the unbilled amount expected to be collected from customers for contract work performed to
date. Cost includes all expenditure related directly to specific projects. Recognised profit is based on the percentage completion method and is
determined using the costs incurred to date and the total forecast contract costs.