All costs associated with this campaign.
Hard Costs How much money have you spent on this campaign, outside of recurring costs? For example, if you paid $300 for work on your website, and $10/month to host it, the $300 is considered a hard cost, and the $10/month is the recurring cost.
Recurring Costs This is the amount you pay every month/quarter/year for the campaign.
Labor Costs Time is money! This is the amount of your (or your staff's) time, times their billing rate.