select sum(mpt.price) as totalprice -- This is the summation of all responses in form
from mypricetable mpt -- this is the table where you have the price information
inner join dbo.fnAnySplitStringFunction('wrist a;wrist b;wrist c', ';') sf on sf.part = mpt.wrist -- This the responses from the form concatenated as one string with ";" as delimiter
Peter Larsson
Helsingborg, Sweden