Z-Burger to Feds: Make it stop.

Since Z-Burger announced its shutdown special — a free burger for furloughed federal workers — the local chainlet has served up 15,840 gratis burgers, a retail equivalent of about $88,000, The The Wall Street Journal’s Washington Wire blog reports.

“It literally almost put me out of business,” Z-Burger owner Peter Tabibian told the WSJ. To wit, he shut down the promotion on Thursday.