1. When can you get started on the project?

2. Are they going to pay extra?

3. In my proposal, I said the earliest start date would be one month after signing the contract.

4. Was that in the proposal?

5. Yes, it was. Have they signed the contract yet?

6. No, they haven't, but I'm sure they will right away

7. They'll also need to make an advance payment.

8. That was in the proposal, too.

9. We can't stop everything else just because they are excited.

10. OK, I'll get back to them and let them know.

11. Yes, please do, I've been through this kind of thing before.

They want to get started earlier than what was in the proposal.（前文未见生句）