Receipts of cash in advance from customers are A : treated as revenue at the time of receipt because the intent of the company is to perform the work and the customer is confident that the services will be completed. B : not treated as revenue at the time of receipt because revenue cannot be recognized until the work is performed. C : not treated as revenue at the time of receipt because the amount of revenue cannot be adequately determined until the company completes the work. D : treated as revenue at the time of receipt because the company has access to the cash.