Advertising:
In order to promote your product you will have to allow for money to be spent on advertising in media, through distribution of promotional materials or other means which you choose to promote your product.
How to work out the cost:
Research what type of advertising you want to do to promote your business and then research the cost of this advertising.
Graphic Design:
You may choose to hire a graphic designer to produce a logo, signage or promotional materials for your business.
How to work out the cost:
Research what you want a graphic designer to produce for your business collateral and then research the cost of this service.
Web page development:
A web page is, in many cases, an essential business and marketing tool for small business.
How to work out the cost:
Research the cost of the development of a web page.