The protesters are seeing red — but cops are seeing green.
Check it out:

NYPD officers have collected “several million dollars” in overtime because of the flood of activists clogging city streets to demonstrate against pro-cop grand-jury decisions in New York and Ferguson, Mo., law-enforcement officials told The Post.

“It’s a good time of year to get it,” one law-enforcement source said.

“If [the protesters] want to pay me so I can make sure all my Christmas bills are paid, that’s fine with me,” said another.