***Hard***
Here is an example of a simple black and white vectorization of a photograph. This one can be done for $18, but prices for jobs of this sort can vary widely.
To get a quote for your photo, please upload a quote request here: https://www.copyartwork.com/misc_info_quote.php?webLang=Copy
Please make sure you specify that you want a simple black and white version of the original to get an accurate quote.