I have been asked to add a line of script directly above the </body> tag on one page of my site, http://ag3ncy.com/summer-sweeps, but I don't know where this is?! Any advice is greatly appreciated. 

I would also like to know where i would put this snippet of code, if i wanted it to show up on every page of the site. 

Thanks in advance. I have recommended your theme to over 10 of our clients, and everyone absolutely loves it, as do I. 

Thank You,

Trevor