To check your available inventory for a cost-per-day line item:
- In your DoubleClick for Publishers account, click the Orders tab, then click Check inventory.
- Enter your inventory sizes.
- Select the Sponsorship as the delivery type.
- Enter your flight dates.
- Enter the percentage of of total impressions you want. (Entering 100% will query all available inventory.)
- (Optional) Apply targeting criteria to your forecast.
- Click Check inventory.