This is gig is only for Service Page.
I will give you code via snapshot image editing of source page of your service page. it mean i will give you suggestion of that code via image than you got idea about where you need to insert that code.
Rich Snippet is most popular method in SEO. Now a day , few website has service microdata code. I am full expert in that service based webpage optimization for schema.org implementation.
- Basic Gig Quantity