In a mutually unexecuted contract...

The seller has provided goods or services

and the buyer has paid the full amount

due.

The seller has not provided goods or

services yet, but the buyer has already

paid a cash deposit.

The seller and buyer do not have a valid

contract in place.

The seller has not provided goods or

services, and the buyer has not paid any

consideration $($cash$).$

The seller has provided goods or services

but has not billed the buyer yet.